Answers

Add 42/60 and 63/70

42/60 + 63/70 is 8/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   42/60 = 42 × 7/60 × 7 = 294/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   63/70 = 63 × 6/70 × 6 = 378/420
4. Add the two like fractions:
   294/420 + 378/420 = 294 + 378/420 = 672/420
5. 672/420 simplified gives 8/5
6. So, 42/60 + 63/70 = 8/5
   In mixed form: 13/5

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