Subtract 70/49 from 10/90
1st number: 10/90, 2nd number: 1 21/49
10/90 - 70/49 is -83/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
10/90 = 10 × 49/90 × 49 = 490/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
70/49 = 70 × 90/49 × 90 = 6300/4410 - Subtract the two like fractions:
490/4410 - 6300/4410 = 490 - 6300/4410 = -5810/4410 - After reducing the fraction, the answer is -83/63
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