Add 56/18 and 50/45
1st number: 3 2/18, 2nd number: 1 5/45
56/18 + 50/45 is 38/9.
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,
56/18 = 56 × 5/18 × 5 = 280/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Add the two like fractions:
280/90 + 100/90 = 280 + 100/90 = 380/90 - 380/90 simplified gives 38/9
- So, 56/18 + 50/45 = 38/9
In mixed form: 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+50/45 56/18+50/90 56/54+50/45 56/90+50/45