Answers

Add 56/63 and 42/40

1^st number: 56/63, 2^nd number: 1 2/40

56/63 + 42/40 is 349/180.

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,
   56/63 = 56 × 40/63 × 40 = 2240/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   42/40 = 42 × 63/40 × 63 = 2646/2520
4. Add the two like fractions:
   2240/2520 + 2646/2520 = 2240 + 2646/2520 = 4886/2520
5. 4886/2520 simplified gives 349/180
6. So, 56/63 + 42/40 = 349/180
   In mixed form: 1169/180

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