Add 21/84 and 60/42
1st number: 21/84, 2nd number: 1 18/42
21/84 + 60/42 is 47/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
60/42 = 60 × 2/42 × 2 = 120/84 - Add the two like fractions:
21/84 + 120/84 = 21 + 120/84 = 141/84 - 141/84 simplified gives 47/28
- So, 21/84 + 60/42 = 47/28
In mixed form: 119/28
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