Subtract 25/20 from 7/72
1st number: 7/72, 2nd number: 1 5/20
7/72 - 25/20 is -83/72.
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,
7/72 = 7 × 5/72 × 5 = 35/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
25/20 = 25 × 18/20 × 18 = 450/360 - Subtract the two like fractions:
35/360 - 450/360 = 35 - 450/360 = -415/360 - After reducing the fraction, the answer is -83/72
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