Subtract 90/50 from 70/12
1st number: 5 10/12, 2nd number: 1 40/50
70/12 - 90/50 is 121/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
70/12 = 70 × 25/12 × 25 = 1750/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
90/50 = 90 × 6/50 × 6 = 540/300 - Subtract the two like fractions:
1750/300 - 540/300 = 1750 - 540/300 = 1210/300 - After reducing the fraction, the answer is 121/30
- In mixed form: 41/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-90/50 70/36-90/50 70/60-90/50 70/84-90/50