Add 4/45 and 70/9
1st number: 4/45, 2nd number: 7 7/9
4/45 + 70/9 is 118/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
4/45 = 4 × 1/45 × 1 = 4/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Add the two like fractions:
4/45 + 350/45 = 4 + 350/45 = 354/45 - 354/45 simplified gives 118/15
- So, 4/45 + 70/9 = 118/15
In mixed form: 713/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+70/9 4/90+70/9 4/45+70/18 12/45+70/9 4/45+70/27 20/45+70/9 4/45+70/45 28/45+70/9 4/45+70/63