Subtract 9/80 from 7/5
1st number: 1 2/5, 2nd number: 9/80
7/5 - 9/80 is 103/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
7/5 = 7 × 16/5 × 16 = 112/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Subtract the two like fractions:
112/80 - 9/80 = 112 - 9/80 = 103/80 - In mixed form: 123/80
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