Subtract 10/15 from 70/98
70/98 - 10/15 is 1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
70/98 = 70 × 15/98 × 15 = 1050/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
10/15 = 10 × 98/15 × 98 = 980/1470 - Subtract the two like fractions:
1050/1470 - 980/1470 = 1050 - 980/1470 = 70/1470 - After reducing the fraction, the answer is 1/21
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