Answers

Add 48/63 and 45/40

1^st number: 48/63, 2^nd number: 1 5/40

48/63 + 45/40 is 317/168.

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,
   48/63 = 48 × 40/63 × 40 = 1920/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   45/40 = 45 × 63/40 × 63 = 2835/2520
4. Add the two like fractions:
   1920/2520 + 2835/2520 = 1920 + 2835/2520 = 4755/2520
5. 4755/2520 simplified gives 317/168
6. So, 48/63 + 45/40 = 317/168
   In mixed form: 1149/168

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