Subtract 50/72 from 80/90
80/90 - 50/72 is 7/36.
Steps for subtracting 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,
80/90 = 80 × 4/90 × 4 = 320/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
50/72 = 50 × 5/72 × 5 = 250/360 - Subtract the two like fractions:
320/360 - 250/360 = 320 - 250/360 = 70/360 - After reducing the fraction, the answer is 7/36
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