Subtract 12/40 from 96/42
1st number: 2 12/42, 2nd number: 12/40
96/42 - 12/40 is 139/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 42 × 20 = 840,
96/42 = 96 × 20/42 × 20 = 1920/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
12/40 = 12 × 21/40 × 21 = 252/840 - Subtract the two like fractions:
1920/840 - 252/840 = 1920 - 252/840 = 1668/840 - After reducing the fraction, the answer is 139/70
- In mixed form: 169/70
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