Subtract 7/12 from 42/2
1st number: 21 0/2, 2nd number: 7/12
422 - 712 is 24512.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
422 = 42 × 62 × 6 = 25212 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
712 = 7 × 112 × 1 = 712 - Subtract the two like fractions:
25212 - 712 = 252 - 712 = 24512 - In mixed form: 20512
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