Add 50/18 and 50/21
1st number: 2 14/18, 2nd number: 2 8/21
50/18 + 50/21 is 325/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
50/18 = 50 × 7/18 × 7 = 350/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
50/21 = 50 × 6/21 × 6 = 300/126 - Add the two like fractions:
350/126 + 300/126 = 350 + 300/126 = 650/126 - 650/126 simplified gives 325/63
- So, 50/18 + 50/21 = 325/63
In mixed form: 510/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36+50/21 50/18+50/42 50/54+50/21 50/18+50/63 50/90+50/21