Subtract 72/50 from 15/35
1st number: 15/35, 2nd number: 1 22/50
15/35 - 72/50 is -177/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 35 × 10 = 350,
15/35 = 15 × 10/35 × 10 = 150/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
72/50 = 72 × 7/50 × 7 = 504/350 - Subtract the two like fractions:
150/350 - 504/350 = 150 - 504/350 = -354/350 - After reducing the fraction, the answer is -177/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35-72/50 15/70-72/50 45/35-72/50 75/35-72/50