Answers

Add 10/63 and 72/40

1^st number: 10/63, 2^nd number: 1 32/40

10/63 + 72/40 is 617/315.

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,
   10/63 = 10 × 40/63 × 40 = 400/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   72/40 = 72 × 63/40 × 63 = 4536/2520
4. Add the two like fractions:
   400/2520 + 4536/2520 = 400 + 4536/2520 = 4936/2520
5. 4936/2520 simplified gives 617/315
6. So, 10/63 + 72/40 = 617/315
   In mixed form: 1302/315

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