Answers

Add 42/60 and 90/14

1^st number: 42/60, 2^nd number: 6 6/14

42/60 + 90/14 is 499/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 14 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 14 × 30 = 420,
   90/14 = 90 × 30/14 × 30 = 2700/420
4. Add the two like fractions:
   294/420 + 2700/420 = 294 + 2700/420 = 2994/420
5. 2994/420 simplified gives 499/70
6. So, 42/60 + 90/14 = 499/70
   In mixed form: 79/70

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