Add 5/14 and 18/40
5/14 + 18/40 is 113/140.
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,
5/14 = 5 × 20/14 × 20 = 100/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
100/280 + 126/280 = 100 + 126/280 = 226/280 - 226/280 simplified gives 113/140
- So, 5/14 + 18/40 = 113/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/14+18/40 5/14+36/40 5/28+18/40 5/14+18/80 15/14+18/40 5/14+54/40 5/42+18/40 25/14+18/40 5/14+90/40 5/70+18/40 35/14+18/40 5/98+18/40