Add 35/21 and 24/18
1st number: 1 14/21, 2nd number: 1 6/18
35/21 + 24/18 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 21 × 6 = 126,
35/21 = 35 × 6/21 × 6 = 210/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
24/18 = 24 × 7/18 × 7 = 168/126 - Add the two like fractions:
210/126 + 168/126 = 210 + 168/126 = 378/126 - 378/126 simplified gives 3/1
- So, 35/21 + 24/18 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+24/18 35/21+48/18 35/42+24/18 35/21+24/36 35/21+72/18 35/63+24/18 35/21+24/54 35/21+24/90