Subtract 80/98 from 90/21
1st number: 4 6/21, 2nd number: 80/98
90/21 - 80/98 is 170/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
90/21 = 90 × 14/21 × 14 = 1260/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
80/98 = 80 × 3/98 × 3 = 240/294 - Subtract the two like fractions:
1260/294 - 240/294 = 1260 - 240/294 = 1020/294 - After reducing the fraction, the answer is 170/49
- In mixed form: 323/49
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