Add 14/18 and 70/45
1st number: 14/18, 2nd number: 1 25/45
14/18 + 70/45 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
14/18 = 14 × 5/18 × 5 = 70/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Add the two like fractions:
70/90 + 140/90 = 70 + 140/90 = 210/90 - 210/90 simplified gives 7/3
- So, 14/18 + 70/45 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18+70/45 14/36+70/45 14/18+70/90 42/18+70/45 14/54+70/45 70/18+70/45 14/90+70/45 98/18+70/45