Add 40/15 and 70/54
1st number: 2 10/15, 2nd number: 1 16/54
40/15 + 70/54 is 107/27.
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,
70/54 = 70 × 5/54 × 5 = 350/270 - Add the two like fractions:
720/270 + 350/270 = 720 + 350/270 = 1070/270 - 1070/270 simplified gives 107/27
- So, 40/15 + 70/54 = 107/27
In mixed form: 326/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+70/54 40/30+70/54 40/45+70/54 40/75+70/54