Add 27/28 and 25/60
27/28 + 25/60 is 29/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
27/28 = 27 × 15/28 × 15 = 405/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
25/60 = 25 × 7/60 × 7 = 175/420 - Add the two like fractions:
405/420 + 175/420 = 405 + 175/420 = 580/420 - 580/420 simplified gives 29/21
- So, 27/28 + 25/60 = 29/21
In mixed form: 18/21
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