Add 7/90 and 49/72
7/90 + 49/72 is 91/120.
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,
7/90 = 7 × 4/90 × 4 = 28/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
49/72 = 49 × 5/72 × 5 = 245/360 - Add the two like fractions:
28/360 + 245/360 = 28 + 245/360 = 273/360 - 273/360 simplified gives 91/120
- So, 7/90 + 49/72 = 91/120
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