Subtract 18/16 from 3/7
1st number: 3/7, 2nd number: 1 2/16
3/7 - 18/16 is -39/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
3/7 = 3 × 16/7 × 16 = 48/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
18/16 = 18 × 7/16 × 7 = 126/112 - Subtract the two like fractions:
48/112 - 126/112 = 48 - 126/112 = -78/112 - After reducing the fraction, the answer is -39/56
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