Subtract 2/45 from 81/3
1st number: 27 0/3, 2nd number: 2/45
81/3 - 2/45 is 1213/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
81/3 = 81 × 15/3 × 15 = 1215/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
2/45 = 2 × 1/45 × 1 = 2/45 - Subtract the two like fractions:
1215/45 - 2/45 = 1215 - 2/45 = 1213/45 - In mixed form: 2643/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3-4/45 81/6-2/45 81/3-2/90 81/3-6/45 81/9-2/45 81/3-10/45 81/15-2/45 81/3-14/45 81/21-2/45