Subtract 7/16 from 30/21
1st number: 1 9/21, 2nd number: 7/16
30/21 - 7/16 is 111/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
30/21 = 30 × 16/21 × 16 = 480/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
7/16 = 7 × 21/16 × 21 = 147/336 - Subtract the two like fractions:
480/336 - 147/336 = 480 - 147/336 = 333/336 - After reducing the fraction, the answer is 111/112
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