Subtract 70/63 from 20/49
1st number: 20/49, 2nd number: 1 7/63
20/49 - 70/63 is -310/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
20/49 = 20 × 9/49 × 9 = 180/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
70/63 = 70 × 7/63 × 7 = 490/441 - Subtract the two like fractions:
180/441 - 490/441 = 180 - 490/441 = -310/441
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