Subtract 20/63 from 42/9
1st number: 4 6/9, 2nd number: 20/63
42/9 - 20/63 is 274/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
42/9 = 42 × 7/9 × 7 = 294/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
20/63 = 20 × 1/63 × 1 = 20/63 - Subtract the two like fractions:
294/63 - 20/63 = 294 - 20/63 = 274/63 - In mixed form: 422/63
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