Subtract 20/7 from 90/2
1st number: 45 0/2, 2nd number: 2 6/7
90/2 - 20/7 is 295/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
90/2 = 90 × 7/2 × 7 = 630/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
20/7 = 20 × 2/7 × 2 = 40/14 - Subtract the two like fractions:
630/14 - 40/14 = 630 - 40/14 = 590/14 - After reducing the fraction, the answer is 295/7
- In mixed form: 421/7
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