Subtract 72/50 from 2/18
1st number: 2/18, 2nd number: 1 22/50
2/18 - 72/50 is -299/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
2/18 = 2 × 25/18 × 25 = 50/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
72/50 = 72 × 9/50 × 9 = 648/450 - Subtract the two like fractions:
50/450 - 648/450 = 50 - 648/450 = -598/450 - After reducing the fraction, the answer is -299/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-72/50 2/36-72/50 6/18-72/50 2/54-72/50 10/18-72/50 2/90-72/50 14/18-72/50