Answers

Add 42/60 and 48/63

42/60 + 48/63 is 307/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   42/60 = 42 × 21/60 × 21 = 882/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   48/63 = 48 × 20/63 × 20 = 960/1260
4. Add the two like fractions:
   882/1260 + 960/1260 = 882 + 960/1260 = 1842/1260
5. 1842/1260 simplified gives 307/210
6. So, 42/60 + 48/63 = 307/210
   In mixed form: 197/210

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