Add 64/14 and 14/40
1st number: 4 8/14, 2nd number: 14/40
64/14 + 14/40 is 689/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
64/14 = 64 × 20/14 × 20 = 1280/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
14/40 = 14 × 7/40 × 7 = 98/280 - Add the two like fractions:
1280/280 + 98/280 = 1280 + 98/280 = 1378/280 - 1378/280 simplified gives 689/140
- So, 64/14 + 14/40 = 689/140
In mixed form: 4129/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/14+28/40 64/28+14/40 64/14+14/80 64/14+42/40 64/42+14/40 64/14+70/40 64/70+14/40 64/14+98/40 64/98+14/40