Subtract 18/98 from 28/21
1st number: 1 7/21, 2nd number: 18/98
28/21 - 18/98 is 169/147.
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,
28/21 = 28 × 14/21 × 14 = 392/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
18/98 = 18 × 3/98 × 3 = 54/294 - Subtract the two like fractions:
392/294 - 54/294 = 392 - 54/294 = 338/294 - After reducing the fraction, the answer is 169/147
- In mixed form: 122/147
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