Subtract 90/45 from 70/98
1st number: 70/98, 2nd number: 2 0/45
70/98 - 90/45 is -9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
70/98 = 70 × 45/98 × 45 = 3150/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
90/45 = 90 × 98/45 × 98 = 8820/4410 - Subtract the two like fractions:
3150/4410 - 8820/4410 = 3150 - 8820/4410 = -5670/4410 - After reducing the fraction, the answer is -9/7
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