Answers

Add 24/28 and 42/40

1^st number: 24/28, 2^nd number: 1 2/40

24/28 + 42/40 is 267/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 28 × 10 = 280,
   24/28 = 24 × 10/28 × 10 = 240/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   42/40 = 42 × 7/40 × 7 = 294/280
4. Add the two like fractions:
   240/280 + 294/280 = 240 + 294/280 = 534/280
5. 534/280 simplified gives 267/140
6. So, 24/28 + 42/40 = 267/140
   In mixed form: 1127/140

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