Answers

Add 90/56 and 15/40

1^st number: 1 34/56, 2^nd number: 15/40

90/56 + 15/40 is 111/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   90/56 = 90 × 5/56 × 5 = 450/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   15/40 = 15 × 7/40 × 7 = 105/280
4. Add the two like fractions:
   450/280 + 105/280 = 450 + 105/280 = 555/280
5. 555/280 simplified gives 111/56
6. So, 90/56 + 15/40 = 111/56
   In mixed form: 155/56

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