Add 21/60 and 1/72
21/60 + 1/72 is 131/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
21/60 = 21 × 6/60 × 6 = 126/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Add the two like fractions:
126/360 + 5/360 = 126 + 5/360 = 131/360 - So, 21/60 + 1/72 = 131/360
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