Subtract 9/80 from 18/5
1st number: 3 3/5, 2nd number: 9/80
18/5 - 9/80 is 279/80.
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,
18/5 = 18 × 16/5 × 16 = 288/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Subtract the two like fractions:
288/80 - 9/80 = 288 - 9/80 = 279/80 - In mixed form: 339/80
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