Subtract 12/81 from 35/8
1st number: 4 3/8, 2nd number: 12/81
35/8 - 12/81 is 913/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
35/8 = 35 × 81/8 × 81 = 2835/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
12/81 = 12 × 8/81 × 8 = 96/648 - Subtract the two like fractions:
2835/648 - 96/648 = 2835 - 96/648 = 2739/648 - After reducing the fraction, the answer is 913/216
- In mixed form: 449/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-12/81 35/8-24/81 35/16-12/81 35/8-36/81 35/24-12/81 35/8-60/81 35/40-12/81 35/8-84/81 35/56-12/81