Add 14/80 and 18/15
1st number: 14/80, 2nd number: 1 3/15
14/80 + 18/15 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
14/80 = 14 × 3/80 × 3 = 42/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
18/15 = 18 × 16/15 × 16 = 288/240 - Add the two like fractions:
42/240 + 288/240 = 42 + 288/240 = 330/240 - 330/240 simplified gives 11/8
- So, 14/80 + 18/15 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/80+18/15 14/80+36/15 14/80+18/30 42/80+18/15 14/80+54/15 14/80+18/45 70/80+18/15 14/80+90/15 14/80+18/75 98/80+18/15