Subtract 20/30 from 49/27
1st number: 1 22/27, 2nd number: 20/30
49/27 - 20/30 is 31/27.
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,
49/27 = 49 × 10/27 × 10 = 490/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
20/30 = 20 × 9/30 × 9 = 180/270 - Subtract the two like fractions:
490/270 - 180/270 = 490 - 180/270 = 310/270 - After reducing the fraction, the answer is 31/27
- In mixed form: 14/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/27-20/30 49/27-40/30 49/54-20/30 49/27-20/60 49/27-60/30 49/81-20/30 49/27-20/90