Answers

Add 80/63 and 4/40

1^st number: 1 17/63, 2^nd number: 4/40

80/63 + 4/40 is 863/630.

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,
   80/63 = 80 × 40/63 × 40 = 3200/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   4/40 = 4 × 63/40 × 63 = 252/2520
4. Add the two like fractions:
   3200/2520 + 252/2520 = 3200 + 252/2520 = 3452/2520
5. 3452/2520 simplified gives 863/630
6. So, 80/63 + 4/40 = 863/630
   In mixed form: 1233/630

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