Add 28/42 and 84/60
1st number: 28/42, 2nd number: 1 24/60
28/42 + 84/60 is 31/15.
Steps for adding fractions
- 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 - For the 1st fraction, since 42 × 10 = 420,
28/42 = 28 × 10/42 × 10 = 280/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Add the two like fractions:
280/420 + 588/420 = 280 + 588/420 = 868/420 - 868/420 simplified gives 31/15
- So, 28/42 + 84/60 = 31/15
In mixed form: 21/15
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