Subtract 90/98 from 70/30
1st number: 2 10/30, 2nd number: 90/98
70/30 - 90/98 is 208/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
70/30 = 70 × 49/30 × 49 = 3430/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
90/98 = 90 × 15/98 × 15 = 1350/1470 - Subtract the two like fractions:
3430/1470 - 1350/1470 = 3430 - 1350/1470 = 2080/1470 - After reducing the fraction, the answer is 208/147
- In mixed form: 161/147
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