Subtract 15/16 from 3/30
3/30 - 15/16 is -67/80.
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,
3/30 = 3 × 8/30 × 8 = 24/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
15/16 = 15 × 15/16 × 15 = 225/240 - Subtract the two like fractions:
24/240 - 225/240 = 24 - 225/240 = -201/240 - After reducing the fraction, the answer is -67/80
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