Subtract 42/40 from 7/6
1st number: 1 1/6, 2nd number: 1 2/40
7/6 - 42/40 is 7/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
7/6 = 7 × 20/6 × 20 = 140/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Subtract the two like fractions:
140/120 - 126/120 = 140 - 126/120 = 14/120 - After reducing the fraction, the answer is 7/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-42/40 7/6-84/40 7/12-42/40 7/6-42/80 21/6-42/40 7/18-42/40 35/6-42/40 7/30-42/40 49/6-42/40 7/42-42/40