Subtract 30/8 from 70/98
1st number: 70/98, 2nd number: 3 6/8
70/98 - 30/8 is -85/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
70/98 = 70 × 4/98 × 4 = 280/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
30/8 = 30 × 49/8 × 49 = 1470/392 - Subtract the two like fractions:
280/392 - 1470/392 = 280 - 1470/392 = -1190/392 - After reducing the fraction, the answer is -85/28
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