Subtract 1/45 from 84/27
1st number: 3 3/27, 2nd number: 1/45
84/27 - 1/45 is 139/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
84/27 = 84 × 5/27 × 5 = 420/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
1/45 = 1 × 3/45 × 3 = 3/135 - Subtract the two like fractions:
420/135 - 3/135 = 420 - 3/135 = 417/135 - After reducing the fraction, the answer is 139/45
- In mixed form: 34/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27-2/45 84/54-1/45 84/27-1/90 84/27-3/45 84/81-1/45 84/27-5/45 84/27-7/45