Subtract 4/49 from 10/40
10/40 - 4/49 is 33/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
10/40 = 10 × 49/40 × 49 = 490/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
4/49 = 4 × 40/49 × 40 = 160/1960 - Subtract the two like fractions:
490/1960 - 160/1960 = 490 - 160/1960 = 330/1960 - After reducing the fraction, the answer is 33/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40-4/49 10/40-8/49 10/80-4/49 10/40-4/98 30/40-4/49 10/40-12/49 50/40-4/49 10/40-20/49 70/40-4/49 10/40-28/49