Answers

Add 3/60 and 90/84

1^st number: 3/60, 2^nd number: 1 6/84

3/60 + 90/84 is 157/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   3/60 = 3 × 7/60 × 7 = 21/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   90/84 = 90 × 5/84 × 5 = 450/420
4. Add the two like fractions:
   21/420 + 450/420 = 21 + 450/420 = 471/420
5. 471/420 simplified gives 157/140
6. So, 3/60 + 90/84 = 157/140
   In mixed form: 117/140

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