Subtract 30/16 from 7/72
1st number: 7/72, 2nd number: 1 14/16
7/72 - 30/16 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
7/72 = 7 × 2/72 × 2 = 14/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Subtract the two like fractions:
14/144 - 270/144 = 14 - 270/144 = -256/144 - After reducing the fraction, the answer is -16/9
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