Add 72/90 and 4/60
72/90 + 4/60 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
72/90 = 72 × 2/90 × 2 = 144/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
4/60 = 4 × 3/60 × 3 = 12/180 - Add the two like fractions:
144/180 + 12/180 = 144 + 12/180 = 156/180 - 156/180 simplified gives 13/15
- So, 72/90 + 4/60 = 13/15
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