Subtract 40/30 from 28/98
1st number: 28/98, 2nd number: 1 10/30
28/98 - 40/30 is -22/21.
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,
28/98 = 28 × 15/98 × 15 = 420/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
40/30 = 40 × 49/30 × 49 = 1960/1470 - Subtract the two like fractions:
420/1470 - 1960/1470 = 420 - 1960/1470 = -1540/1470 - After reducing the fraction, the answer is -22/21
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