Subtract 1/12 from 90/50
1st number: 1 40/50, 2nd number: 1/12
90/50 - 1/12 is 103/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
90/50 = 90 × 6/50 × 6 = 540/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
1/12 = 1 × 25/12 × 25 = 25/300 - Subtract the two like fractions:
540/300 - 25/300 = 540 - 25/300 = 515/300 - After reducing the fraction, the answer is 103/60
- In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-2/12 90/50-1/24 90/50-3/12 90/50-1/36 90/50-5/12 90/50-1/60 90/50-7/12 90/50-1/84