Add 7/45 and 45/6
1st number: 7/45, 2nd number: 7 3/6
7/45 + 45/6 is 689/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
45/6 = 45 × 15/6 × 15 = 675/90 - Add the two like fractions:
14/90 + 675/90 = 14 + 675/90 = 689/90 - So, 7/45 + 45/6 = 689/90
In mixed form: 759/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+45/6 7/45+90/6 7/90+45/6 7/45+45/12 21/45+45/6 7/45+45/18 35/45+45/6 7/45+45/30 49/45+45/6 7/45+45/42