Subtract 1/54 from 84/45
1st number: 1 39/45, 2nd number: 1/54
84/45 - 1/54 is 499/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
84/45 = 84 × 6/45 × 6 = 504/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
1/54 = 1 × 5/54 × 5 = 5/270 - Subtract the two like fractions:
504/270 - 5/270 = 504 - 5/270 = 499/270 - In mixed form: 1229/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45-2/54 84/90-1/54 84/45-3/54 84/45-5/54 84/45-7/54