Subtract 32/30 from 49/21
1st number: 2 7/21, 2nd number: 1 2/30
49/21 - 32/30 is 19/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
49/21 = 49 × 10/21 × 10 = 490/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
32/30 = 32 × 7/30 × 7 = 224/210 - Subtract the two like fractions:
490/210 - 224/210 = 490 - 224/210 = 266/210 - After reducing the fraction, the answer is 19/15
- In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21-32/30 49/21-64/30 49/42-32/30 49/21-32/60 49/21-96/30 49/63-32/30 49/21-32/90