Subtract 45/98 from 21/18
1st number: 1 3/18, 2nd number: 45/98
21/18 - 45/98 is 104/147.
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,
45/98 = 45 × 9/98 × 9 = 405/882 - Subtract the two like fractions:
1029/882 - 405/882 = 1029 - 405/882 = 624/882 - After reducing the fraction, the answer is 104/147
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