Subtract 20/9 from 63/7
1st number: 9 0/7, 2nd number: 2 2/9
63/7 - 20/9 is 61/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
63/7 = 63 × 9/7 × 9 = 567/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
20/9 = 20 × 7/9 × 7 = 140/63 - Subtract the two like fractions:
567/63 - 140/63 = 567 - 140/63 = 427/63 - After reducing the fraction, the answer is 61/9
- In mixed form: 67/9
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