Subtract 8/21 from 49/5
1st number: 9 4/5, 2nd number: 8/21
49/5 - 8/21 is 989/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
49/5 = 49 × 21/5 × 21 = 1029/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
8/21 = 8 × 5/21 × 5 = 40/105 - Subtract the two like fractions:
1029/105 - 40/105 = 1029 - 40/105 = 989/105 - In mixed form: 944/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/5-8/21 49/5-16/21 49/10-8/21 49/5-8/42 49/5-24/21 49/15-8/21 49/5-8/63 49/5-40/21 49/25-8/21 49/5-56/21 49/35-8/21