Add 27/60 and 63/70
27/60 + 63/70 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
27/60 = 27 × 7/60 × 7 = 189/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
63/70 = 63 × 6/70 × 6 = 378/420 - Add the two like fractions:
189/420 + 378/420 = 189 + 378/420 = 567/420 - 567/420 simplified gives 27/20
- So, 27/60 + 63/70 = 27/20
In mixed form: 17/20
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