Add 28/60 and 56/35
1st number: 28/60, 2nd number: 1 21/35
28/60 + 56/35 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
56/35 = 56 × 12/35 × 12 = 672/420 - Add the two like fractions:
196/420 + 672/420 = 196 + 672/420 = 868/420 - 868/420 simplified gives 31/15
- So, 28/60 + 56/35 = 31/15
In mixed form: 21/15
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