Subtract 90/98 from 75/10
1st number: 7 5/10, 2nd number: 90/98
75/10 - 90/98 is 645/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
75/10 = 75 × 49/10 × 49 = 3675/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
90/98 = 90 × 5/98 × 5 = 450/490 - Subtract the two like fractions:
3675/490 - 450/490 = 3675 - 450/490 = 3225/490 - After reducing the fraction, the answer is 645/98
- In mixed form: 657/98
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