Subtract 14/21 from 40/35
1st number: 1 5/35, 2nd number: 14/21
40/35 - 14/21 is 10/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
40/35 = 40 × 3/35 × 3 = 120/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
14/21 = 14 × 5/21 × 5 = 70/105 - Subtract the two like fractions:
120/105 - 70/105 = 120 - 70/105 = 50/105 - After reducing the fraction, the answer is 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35-14/21 40/35-28/21 40/70-14/21 40/35-14/42 40/35-42/21 40/35-14/63 40/35-70/21 40/35-98/21