Add 27/72 and 10/20
27/72 + 10/20 is 7/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
10/20 = 10 × 18/20 × 18 = 180/360 - Add the two like fractions:
135/360 + 180/360 = 135 + 180/360 = 315/360 - 315/360 simplified gives 7/8
- So, 27/72 + 10/20 = 7/8
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