Subtract 40/50 from 12/8
1st number: 1 4/8, 2nd number: 40/50
12/8 - 40/50 is 7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
12/8 = 12 × 25/8 × 25 = 300/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
40/50 = 40 × 4/50 × 4 = 160/200 - Subtract the two like fractions:
300/200 - 160/200 = 300 - 160/200 = 140/200 - After reducing the fraction, the answer is 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8-40/50 12/8-80/50 12/16-40/50 36/8-40/50 12/24-40/50 60/8-40/50 12/40-40/50 84/8-40/50 12/56-40/50