Subtract 20/7 from 45/2
1st number: 22 1/2, 2nd number: 2 6/7
45/2 - 20/7 is 275/14.
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,
45/2 = 45 × 7/2 × 7 = 315/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
20/7 = 20 × 2/7 × 2 = 40/14 - Subtract the two like fractions:
315/14 - 40/14 = 315 - 40/14 = 275/14 - In mixed form: 199/14
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