Subtract 72/30 from 35/25
1st number: 1 10/25, 2nd number: 2 12/30
35/25 - 72/30 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
35/25 = 35 × 6/25 × 6 = 210/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
72/30 = 72 × 5/30 × 5 = 360/150 - Subtract the two like fractions:
210/150 - 360/150 = 210 - 360/150 = -150/150 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-72/30 35/50-72/30 35/25-72/60 35/75-72/30 35/25-72/90