Subtract 20/30 from 49/14
1st number: 3 7/14, 2nd number: 20/30
49/14 - 20/30 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
49/14 = 49 × 15/14 × 15 = 735/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
20/30 = 20 × 7/30 × 7 = 140/210 - Subtract the two like fractions:
735/210 - 140/210 = 735 - 140/210 = 595/210 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/14-20/30 49/14-40/30 49/28-20/30 49/14-20/60 49/14-60/30 49/42-20/30 49/14-20/90 49/70-20/30 49/98-20/30