Subtract 1/42 from 21/16
1st number: 1 5/16, 2nd number: 1/42
21/16 - 1/42 is 433/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
21/16 = 21 × 21/16 × 21 = 441/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
1/42 = 1 × 8/42 × 8 = 8/336 - Subtract the two like fractions:
441/336 - 8/336 = 441 - 8/336 = 433/336 - In mixed form: 197/336
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