Add 42/9 and 7/45
1st number: 4 6/9, 2nd number: 7/45
42/9 + 7/45 is 217/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
42/9 = 42 × 5/9 × 5 = 210/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
7/45 = 7 × 1/45 × 1 = 7/45 - Add the two like fractions:
210/45 + 7/45 = 210 + 7/45 = 217/45 - So, 42/9 + 7/45 = 217/45
In mixed form: 437/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+7/45 42/9+14/45 42/18+7/45 42/9+7/90 42/9+21/45 42/27+7/45 42/9+35/45 42/45+7/45 42/9+49/45 42/63+7/45