Subtract 25/42 from 42/2
1st number: 21 0/2, 2nd number: 25/42
42/2 - 25/42 is 857/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
42/2 = 42 × 21/2 × 21 = 882/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
25/42 = 25 × 1/42 × 1 = 25/42 - Subtract the two like fractions:
882/42 - 25/42 = 882 - 25/42 = 857/42 - In mixed form: 2017/42
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