Add 42/18 and 21/50
1st number: 2 6/18, 2nd number: 21/50
42/18 + 21/50 is 413/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
42/18 = 42 × 25/18 × 25 = 1050/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
1050/450 + 189/450 = 1050 + 189/450 = 1239/450 - 1239/450 simplified gives 413/150
- So, 42/18 + 21/50 = 413/150
In mixed form: 2113/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+21/50 42/18+42/50 42/36+21/50 42/18+63/50 42/54+21/50 42/90+21/50