Subtract 45/30 from 80/98
1st number: 80/98, 2nd number: 1 15/30
80/98 - 45/30 is -67/98.
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,
80/98 = 80 × 15/98 × 15 = 1200/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
45/30 = 45 × 49/30 × 49 = 2205/1470 - Subtract the two like fractions:
1200/1470 - 2205/1470 = 1200 - 2205/1470 = -1005/1470 - After reducing the fraction, the answer is -67/98
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