Subtract 72/16 from 18/8
1st number: 2 2/8, 2nd number: 4 8/16
18/8 - 72/16 is -9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
18/8 = 18 × 2/8 × 2 = 36/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
72/16 = 72 × 1/16 × 1 = 72/16 - Subtract the two like fractions:
36/16 - 72/16 = 36 - 72/16 = -36/16 - After reducing the fraction, the answer is -9/4
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