Subtract 7/98 from 21/18
1st number: 1 3/18, 2nd number: 7/98
21/18 - 7/98 is 23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
21/18 = 21 × 49/18 × 49 = 1029/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
7/98 = 7 × 9/98 × 9 = 63/882 - Subtract the two like fractions:
1029/882 - 63/882 = 1029 - 63/882 = 966/882 - After reducing the fraction, the answer is 23/21
- In mixed form: 12/21
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