Subtract 7/14 from 50/21
1st number: 2 8/21, 2nd number: 7/14
50/21 - 7/14 is 79/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
50/21 = 50 × 2/21 × 2 = 100/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
7/14 = 7 × 3/14 × 3 = 21/42 - Subtract the two like fractions:
100/42 - 21/42 = 100 - 21/42 = 79/42 - In mixed form: 137/42
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