Subtract 2/32 from 70/72
70/72 - 2/32 is 131/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
70/72 = 70 × 4/72 × 4 = 280/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
2/32 = 2 × 9/32 × 9 = 18/288 - Subtract the two like fractions:
280/288 - 18/288 = 280 - 18/288 = 262/288 - After reducing the fraction, the answer is 131/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-4/32 70/72-2/64 70/72-6/32 70/72-2/96 70/72-10/32 70/72-14/32