Add 56/72 and 9/90
56/72 + 9/90 is 79/90.
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,
56/72 = 56 × 5/72 × 5 = 280/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
9/90 = 9 × 4/90 × 4 = 36/360 - Add the two like fractions:
280/360 + 36/360 = 280 + 36/360 = 316/360 - 316/360 simplified gives 79/90
- So, 56/72 + 9/90 = 79/90
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