Subtract 60/90 from 70/12
1st number: 5 10/12, 2nd number: 60/90
70/12 - 60/90 is 31/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
70/12 = 70 × 15/12 × 15 = 1050/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
60/90 = 60 × 2/90 × 2 = 120/180 - Subtract the two like fractions:
1050/180 - 120/180 = 1050 - 120/180 = 930/180 - After reducing the fraction, the answer is 31/6
- In mixed form: 51/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-60/90 70/36-60/90 70/60-60/90 70/84-60/90