Add 56/18 and 18/42
1st number: 3 2/18, 2nd number: 18/42
56/18 + 18/42 is 223/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
56/18 = 56 × 7/18 × 7 = 392/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
18/42 = 18 × 3/42 × 3 = 54/126 - Add the two like fractions:
392/126 + 54/126 = 392 + 54/126 = 446/126 - 446/126 simplified gives 223/63
- So, 56/18 + 18/42 = 223/63
In mixed form: 334/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+36/42 56/36+18/42 56/18+18/84 56/18+54/42 56/54+18/42 56/18+90/42 56/90+18/42