Subtract 42/80 from 90/6
1st number: 15 0/6, 2nd number: 42/80
90/6 - 42/80 is 579/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
90/6 = 90 × 40/6 × 40 = 3600/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Subtract the two like fractions:
3600/240 - 126/240 = 3600 - 126/240 = 3474/240 - After reducing the fraction, the answer is 579/40
- In mixed form: 1419/40
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