Subtract 7/40 from 84/49
1st number: 1 35/49, 2nd number: 7/40
84/49 - 7/40 is 431/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
84/49 = 84 × 40/49 × 40 = 3360/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
7/40 = 7 × 49/40 × 49 = 343/1960 - Subtract the two like fractions:
3360/1960 - 343/1960 = 3360 - 343/1960 = 3017/1960 - After reducing the fraction, the answer is 431/280
- In mixed form: 1151/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49-14/40 84/98-7/40 84/49-7/80 84/49-21/40 84/49-35/40 84/49-49/40