Subtract 75/63 from 20/3
1st number: 6 2/3, 2nd number: 1 12/63
20/3 - 75/63 is 115/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
20/3 = 20 × 21/3 × 21 = 420/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
75/63 = 75 × 1/63 × 1 = 75/63 - Subtract the two like fractions:
420/63 - 75/63 = 420 - 75/63 = 345/63 - After reducing the fraction, the answer is 115/21
- In mixed form: 510/21
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