Add 27/90 and 60/72
27/90 + 60/72 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
27/90 = 27 × 4/90 × 4 = 108/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
60/72 = 60 × 5/72 × 5 = 300/360 - Add the two like fractions:
108/360 + 300/360 = 108 + 300/360 = 408/360 - 408/360 simplified gives 17/15
- So, 27/90 + 60/72 = 17/15
In mixed form: 12/15
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