Add 72/27 and 21/60
1st number: 2 18/27, 2nd number: 21/60
72/27 + 21/60 is 181/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
72/27 = 72 × 20/27 × 20 = 1440/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
21/60 = 21 × 9/60 × 9 = 189/540 - Add the two like fractions:
1440/540 + 189/540 = 1440 + 189/540 = 1629/540 - 1629/540 simplified gives 181/60
- So, 72/27 + 21/60 = 181/60
In mixed form: 31/60
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