Add 16/90 and 18/72
16/90 + 18/72 is 77/180.
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,
16/90 = 16 × 4/90 × 4 = 64/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Add the two like fractions:
64/360 + 90/360 = 64 + 90/360 = 154/360 - 154/360 simplified gives 77/180
- So, 16/90 + 18/72 = 77/180
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