Subtract 70/81 from 32/9
1st number: 3 5/9, 2nd number: 70/81
32/9 - 70/81 is 218/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
32/9 = 32 × 9/9 × 9 = 288/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
70/81 = 70 × 1/81 × 1 = 70/81 - Subtract the two like fractions:
288/81 - 70/81 = 288 - 70/81 = 218/81 - In mixed form: 256/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/9-70/81 32/18-70/81 96/9-70/81 32/27-70/81 32/45-70/81 32/63-70/81