Subtract 3/40 from 90/6
1st number: 15 0/6, 2nd number: 3/40
90/6 - 3/40 is 597/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
90/6 = 90 × 20/6 × 20 = 1800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Subtract the two like fractions:
1800/120 - 9/120 = 1800 - 9/120 = 1791/120 - After reducing the fraction, the answer is 597/40
- In mixed form: 1437/40
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