Answers

Add 90/63 and 56/40

1^st number: 1 27/63, 2^nd number: 1 16/40

90/63 + 56/40 is 99/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 40 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 63 × 40 = 2520,
   90/63 = 90 × 40/63 × 40 = 3600/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   56/40 = 56 × 63/40 × 63 = 3528/2520
4. Add the two like fractions:
   3600/2520 + 3528/2520 = 3600 + 3528/2520 = 7128/2520
5. 7128/2520 simplified gives 99/35
6. So, 90/63 + 56/40 = 99/35
   In mixed form: 229/35

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