Add 40/15 and 14/54
1st number: 2 10/15, 2nd number: 14/54
40/15 + 14/54 is 79/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
40/15 = 40 × 18/15 × 18 = 720/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
14/54 = 14 × 5/54 × 5 = 70/270 - Add the two like fractions:
720/270 + 70/270 = 720 + 70/270 = 790/270 - 790/270 simplified gives 79/27
- So, 40/15 + 14/54 = 79/27
In mixed form: 225/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+14/54 40/15+28/54 40/30+14/54 40/15+42/54 40/45+14/54 40/15+70/54 40/75+14/54 40/15+98/54