Add 8/15 and 18/16
1st number: 8/15, 2nd number: 1 2/16
8/15 + 18/16 is 199/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
8/15 = 8 × 16/15 × 16 = 128/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Add the two like fractions:
128/240 + 270/240 = 128 + 270/240 = 398/240 - 398/240 simplified gives 199/120
- So, 8/15 + 18/16 = 199/120
In mixed form: 179/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+18/16 8/15+36/16 8/30+18/16 8/15+18/32 24/15+18/16 8/15+54/16 8/45+18/16 8/15+18/48 40/15+18/16 8/15+90/16 8/75+18/16 8/15+18/80 56/15+18/16