Subtract 90/80 from 4/15
1st number: 4/15, 2nd number: 1 10/80
4/15 - 90/80 is -103/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
4/15 = 4 × 16/15 × 16 = 64/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Subtract the two like fractions:
64/240 - 270/240 = 64 - 270/240 = -206/240 - After reducing the fraction, the answer is -103/120
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