Subtract 30/7 from 12/16
1st number: 12/16, 2nd number: 4 2/7
12/16 - 30/7 is -99/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
12/16 = 12 × 7/16 × 7 = 84/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
30/7 = 30 × 16/7 × 16 = 480/112 - Subtract the two like fractions:
84/112 - 480/112 = 84 - 480/112 = -396/112 - After reducing the fraction, the answer is -99/28
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