Subtract 81/16 from 12/30
1st number: 12/30, 2nd number: 5 1/16
12/30 - 81/16 is -373/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
12/30 = 12 × 8/30 × 8 = 96/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
81/16 = 81 × 15/16 × 15 = 1215/240 - Subtract the two like fractions:
96/240 - 1215/240 = 96 - 1215/240 = -1119/240 - After reducing the fraction, the answer is -373/80
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