Subtract 25/20 from 4/72
1st number: 4/72, 2nd number: 1 5/20
4/72 - 25/20 is -43/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
25/20 = 25 × 18/20 × 18 = 450/360 - Subtract the two like fractions:
20/360 - 450/360 = 20 - 450/360 = -430/360 - After reducing the fraction, the answer is -43/36
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