Answers

Add 40/42 and 42/60

40/42 + 42/60 is 347/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   40/42 = 40 × 10/42 × 10 = 400/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   42/60 = 42 × 7/60 × 7 = 294/420
4. Add the two like fractions:
   400/420 + 294/420 = 400 + 294/420 = 694/420
5. 694/420 simplified gives 347/210
6. So, 40/42 + 42/60 = 347/210
   In mixed form: 1137/210

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