Subtract 20/45 from 70/98
70/98 - 20/45 is 17/63.
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,
20/45 = 20 × 98/45 × 98 = 1960/4410 - Subtract the two like fractions:
3150/4410 - 1960/4410 = 3150 - 1960/4410 = 1190/4410 - After reducing the fraction, the answer is 17/63
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