Add 7/60 and 21/27
7/60 + 21/27 is 161/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
7/60 = 7 × 9/60 × 9 = 63/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
21/27 = 21 × 20/27 × 20 = 420/540 - Add the two like fractions:
63/540 + 420/540 = 63 + 420/540 = 483/540 - 483/540 simplified gives 161/180
- So, 7/60 + 21/27 = 161/180
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