Subtract 90/40 from 40/14
1st number: 2 12/14, 2nd number: 2 10/40
40/14 - 90/40 is 17/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
40/14 = 40 × 20/14 × 20 = 800/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Subtract the two like fractions:
800/280 - 630/280 = 800 - 630/280 = 170/280 - After reducing the fraction, the answer is 17/28
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