Subtract 72/30 from 5/50
1st number: 5/50, 2nd number: 2 12/30
5/50 - 72/30 is -23/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
5/50 = 5 × 3/50 × 3 = 15/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
72/30 = 72 × 5/30 × 5 = 360/150 - Subtract the two like fractions:
15/150 - 360/150 = 15 - 360/150 = -345/150 - After reducing the fraction, the answer is -23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/50-72/30 5/50-72/60 15/50-72/30 5/50-72/90 25/50-72/30 35/50-72/30