Add 18/16 and 7/40
1st number: 1 2/16, 2nd number: 7/40
18/16 + 7/40 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
18/16 = 18 × 5/16 × 5 = 90/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
7/40 = 7 × 2/40 × 2 = 14/80 - Add the two like fractions:
90/80 + 14/80 = 90 + 14/80 = 104/80 - 104/80 simplified gives 13/10
- So, 18/16 + 7/40 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16+7/40 18/16+14/40 18/32+7/40 18/16+7/80 54/16+7/40 18/16+21/40 18/48+7/40 90/16+7/40 18/16+35/40 18/80+7/40 18/16+49/40