Subtract 2/40 from 90/7
1st number: 12 6/7, 2nd number: 2/40
90/7 - 2/40 is 1793/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
90/7 = 90 × 40/7 × 40 = 3600/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Subtract the two like fractions:
3600/280 - 14/280 = 3600 - 14/280 = 3586/280 - After reducing the fraction, the answer is 1793/140
- In mixed form: 12113/140
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