Subtract 75/4 from 7/80
1st number: 7/80, 2nd number: 18 3/4
7/80 - 75/4 is -1493/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
75/4 = 75 × 20/4 × 20 = 1500/80 - Subtract the two like fractions:
7/80 - 1500/80 = 7 - 1500/80 = -1493/80
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