Add 32/90 and 70/72
32/90 + 70/72 is 239/180.
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,
32/90 = 32 × 4/90 × 4 = 128/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
128/360 + 350/360 = 128 + 350/360 = 478/360 - 478/360 simplified gives 239/180
- So, 32/90 + 70/72 = 239/180
In mixed form: 159/180
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