Subtract 72/50 from 5/70
1st number: 5/70, 2nd number: 1 22/50
5/70 - 72/50 is -479/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
5/70 = 5 × 5/70 × 5 = 25/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
72/50 = 72 × 7/50 × 7 = 504/350 - Subtract the two like fractions:
25/350 - 504/350 = 25 - 504/350 = -479/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70-72/50 15/70-72/50 25/70-72/50 35/70-72/50