Subtract 4/72 from 8/50
8/50 - 4/72 is 47/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
8/50 = 8 × 36/50 × 36 = 288/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800 - Subtract the two like fractions:
288/1800 - 100/1800 = 288 - 100/1800 = 188/1800 - After reducing the fraction, the answer is 47/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/50-4/72 8/50-8/72 24/50-4/72 8/50-12/72 40/50-4/72 8/50-20/72 56/50-4/72 8/50-28/72