Answers

Add 60/63 and 12/40

60/63 + 12/40 is 263/210.

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,
   60/63 = 60 × 40/63 × 40 = 2400/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   12/40 = 12 × 63/40 × 63 = 756/2520
4. Add the two like fractions:
   2400/2520 + 756/2520 = 2400 + 756/2520 = 3156/2520
5. 3156/2520 simplified gives 263/210
6. So, 60/63 + 12/40 = 263/210
   In mixed form: 153/210

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