Add 24/18 and 56/21
1st number: 1 6/18, 2nd number: 2 14/21
24/18 + 56/21 is 4/1.
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,
24/18 = 24 × 7/18 × 7 = 168/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
56/21 = 56 × 6/21 × 6 = 336/126 - Add the two like fractions:
168/126 + 336/126 = 168 + 336/126 = 504/126 - 504/126 simplified gives 4/1
- So, 24/18 + 56/21 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/18+56/21 24/36+56/21 24/18+56/42 72/18+56/21 24/54+56/21 24/18+56/63 24/90+56/21