Subtract 90/30 from 70/98
1st number: 70/98, 2nd number: 3 0/30
70/98 - 90/30 is -16/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 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 30 × 49 = 1470,
90/30 = 90 × 49/30 × 49 = 4410/1470 - Subtract the two like fractions:
1050/1470 - 4410/1470 = 1050 - 4410/1470 = -3360/1470 - After reducing the fraction, the answer is -16/7
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