Subtract 30/16 from 12/28
1st number: 12/28, 2nd number: 1 14/16
12/28 - 30/16 is -81/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
12/28 = 12 × 4/28 × 4 = 48/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
30/16 = 30 × 7/16 × 7 = 210/112 - Subtract the two like fractions:
48/112 - 210/112 = 48 - 210/112 = -162/112 - After reducing the fraction, the answer is -81/56
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