Add 64/90 and 10/72
64/90 + 10/72 is 17/20.
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,
64/90 = 64 × 4/90 × 4 = 256/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Add the two like fractions:
256/360 + 50/360 = 256 + 50/360 = 306/360 - 306/360 simplified gives 17/20
- So, 64/90 + 10/72 = 17/20
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