Add 14/8 and 18/40
1st number: 1 6/8, 2nd number: 18/40
14/8 + 18/40 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
14/8 = 14 × 5/8 × 5 = 70/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Add the two like fractions:
70/40 + 18/40 = 70 + 18/40 = 88/40 - 88/40 simplified gives 11/5
- So, 14/8 + 18/40 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/8+18/40 14/8+36/40 14/16+18/40 14/8+18/80 42/8+18/40 14/8+54/40 14/24+18/40 70/8+18/40 14/8+90/40 14/40+18/40 98/8+18/40 14/56+18/40