fractions add/sub fix

lib/problems/generators/ratio-problems.ts

@@ -93,7 +93,7 @@ export function generateRatioWordProblem(difficulty: Difficulty): MathProblem {
 
   return {
     id: nextId(),
-    prompt: `\\text{${ctx.item.charAt(0).toUpperCase() + ctx.item.slice(1)} were shared between ${ctx.nameA} and ${ctx.nameB} in the ratio ${a}:${b}. If ${bigger} received ${extraAmount} more ${ctx.item}, find the total shared.}`,
+    prompt: `\\begin{array}{l}\\text{${ctx.item.charAt(0).toUpperCase() + ctx.item.slice(1)} were shared between ${ctx.nameA} and ${ctx.nameB}}\\\\\\text{in the ratio ${a}:${b}. If ${bigger} received ${extraAmount} more ${ctx.item}, find the total shared.}\\end{array}`,
     answer: { kind: "integer", value: total },
     hints: [
       `The difference in ratio parts is ${biggerRatio} - ${smallerRatio} = ${diff}`,