Subtract 72/9 from 4/50
1st number: 4/50, 2nd number: 8 0/9
4/50 - 72/9 is -198/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
4/50 = 4 × 9/50 × 9 = 36/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
72/9 = 72 × 50/9 × 50 = 3600/450 - Subtract the two like fractions:
36/450 - 3600/450 = 36 - 3600/450 = -3564/450 - After reducing the fraction, the answer is -198/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/50-72/9 4/50-72/18 12/50-72/9 4/50-72/27 20/50-72/9 4/50-72/45 28/50-72/9 4/50-72/63