Add 18/15 and 14/16
1st number: 1 3/15, 2nd number: 14/16
18/15 + 14/16 is 83/40.
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,
18/15 = 18 × 16/15 × 16 = 288/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
14/16 = 14 × 15/16 × 15 = 210/240 - Add the two like fractions:
288/240 + 210/240 = 288 + 210/240 = 498/240 - 498/240 simplified gives 83/40
- So, 18/15 + 14/16 = 83/40
In mixed form: 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15+14/16 18/15+28/16 18/30+14/16 18/15+14/32 54/15+14/16 18/15+42/16 18/45+14/16 18/15+14/48 90/15+14/16 18/15+70/16 18/75+14/16 18/15+14/80 18/15+98/16