Subtract 80/49 from 70/63
1st number: 1 7/63, 2nd number: 1 31/49
70/63 - 80/49 is -230/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
70/63 = 70 × 7/63 × 7 = 490/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
80/49 = 80 × 9/49 × 9 = 720/441 - Subtract the two like fractions:
490/441 - 720/441 = 490 - 720/441 = -230/441
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