Subtract 21/84 from 18/16
1st number: 1 2/16, 2nd number: 21/84
18/16 - 21/84 is 7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
18/16 = 18 × 21/16 × 21 = 378/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
21/84 = 21 × 4/84 × 4 = 84/336 - Subtract the two like fractions:
378/336 - 84/336 = 378 - 84/336 = 294/336 - After reducing the fraction, the answer is 7/8
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