Subtract 21/16 from 72/14
1st number: 5 2/14, 2nd number: 1 5/16
72/14 - 21/16 is 429/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 14 × 8 = 112,
72/14 = 72 × 8/14 × 8 = 576/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Subtract the two like fractions:
576/112 - 147/112 = 576 - 147/112 = 429/112 - In mixed form: 393/112
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