Subtract 2/30 from 81/3
1st number: 27 0/3, 2nd number: 2/30
81/3 - 2/30 is 404/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
81/3 = 81 × 10/3 × 10 = 810/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
2/30 = 2 × 1/30 × 1 = 2/30 - Subtract the two like fractions:
810/30 - 2/30 = 810 - 2/30 = 808/30 - After reducing the fraction, the answer is 404/15
- In mixed form: 2614/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3-4/30 81/6-2/30 81/3-2/60 81/3-6/30 81/9-2/30 81/3-2/90 81/3-10/30 81/15-2/30 81/3-14/30 81/21-2/30