Subtract 50/72 from 72/30
1st number: 2 12/30, 2nd number: 50/72
72/30 - 50/72 is 307/180.
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,
72/30 = 72 × 12/30 × 12 = 864/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
50/72 = 50 × 5/72 × 5 = 250/360 - Subtract the two like fractions:
864/360 - 250/360 = 864 - 250/360 = 614/360 - After reducing the fraction, the answer is 307/180
- In mixed form: 1127/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60-50/72 72/90-50/72