Subtract 80/30 from 7/15
1st number: 7/15, 2nd number: 2 20/30
7/15 - 80/30 is -11/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
7/15 = 7 × 2/15 × 2 = 14/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30 - Subtract the two like fractions:
14/30 - 80/30 = 14 - 80/30 = -66/30 - After reducing the fraction, the answer is -11/5
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