Subtract 90/40 from 70/14
1st number: 5 0/14, 2nd number: 2 10/40
70/14 - 90/40 is 11/4.
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,
70/14 = 70 × 20/14 × 20 = 1400/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Subtract the two like fractions:
1400/280 - 630/280 = 1400 - 630/280 = 770/280 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
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