Add 4/72 and 7/90
4/72 + 7/90 is 2/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
7/90 = 7 × 4/90 × 4 = 28/360 - Add the two like fractions:
20/360 + 28/360 = 20 + 28/360 = 48/360 - 48/360 simplified gives 2/15
- So, 4/72 + 7/90 = 2/15
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