Add 72/60 and 42/28
1st number: 1 12/60, 2nd number: 1 14/28
72/60 + 42/28 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
42/28 = 42 × 15/28 × 15 = 630/420 - Add the two like fractions:
504/420 + 630/420 = 504 + 630/420 = 1134/420 - 1134/420 simplified gives 27/10
- So, 72/60 + 42/28 = 27/10
In mixed form: 27/10
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