Answers

Add 90/40 and 15/56

1^st number: 2 10/40, 2^nd number: 15/56

90/40 + 15/56 is 141/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   90/40 = 90 × 7/40 × 7 = 630/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   15/56 = 15 × 5/56 × 5 = 75/280
4. Add the two like fractions:
   630/280 + 75/280 = 630 + 75/280 = 705/280
5. 705/280 simplified gives 141/56
6. So, 90/40 + 15/56 = 141/56
   In mixed form: 229/56

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