Subtract 81/5 from 1/72
1st number: 1/72, 2nd number: 16 1/5
1/72 - 81/5 is -5827/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
81/5 = 81 × 72/5 × 72 = 5832/360 - Subtract the two like fractions:
5/360 - 5832/360 = 5 - 5832/360 = -5827/360
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