Add 40/15 and 12/54
1st number: 2 10/15, 2nd number: 12/54
40/15 + 12/54 is 26/9.
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,
12/54 = 12 × 5/54 × 5 = 60/270 - Add the two like fractions:
720/270 + 60/270 = 720 + 60/270 = 780/270 - 780/270 simplified gives 26/9
- So, 40/15 + 12/54 = 26/9
In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+12/54 40/15+24/54 40/30+12/54 40/15+36/54 40/45+12/54 40/15+60/54 40/75+12/54 40/15+84/54