Subtract 1/30 from 45/27
1st number: 1 18/27, 2nd number: 1/30
45/27 - 1/30 is 49/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
45/27 = 45 × 10/27 × 10 = 450/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
1/30 = 1 × 9/30 × 9 = 9/270 - Subtract the two like fractions:
450/270 - 9/270 = 450 - 9/270 = 441/270 - After reducing the fraction, the answer is 49/30
- In mixed form: 119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27-1/30 45/27-2/30 45/54-1/30 45/27-1/60 45/27-3/30 45/81-1/30 45/27-1/90 45/27-5/30 45/27-7/30