Subtract 4/72 from 60/30
1st number: 2 0/30, 2nd number: 4/72
60/30 - 4/72 is 35/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
60/30 = 60 × 12/30 × 12 = 720/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Subtract the two like fractions:
720/360 - 20/360 = 720 - 20/360 = 700/360 - After reducing the fraction, the answer is 35/18
- In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/30-8/72 60/30-12/72 60/90-4/72 60/30-20/72 60/30-28/72