Subtract 4/72 from 12/15
12/15 - 4/72 is 67/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
12/15 = 12 × 24/15 × 24 = 288/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Subtract the two like fractions:
288/360 - 20/360 = 288 - 20/360 = 268/360 - After reducing the fraction, the answer is 67/90
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