Add 42/18 and 15/50
1st number: 2 6/18, 2nd number: 15/50
42/18 + 15/50 is 79/30.
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,
15/50 = 15 × 9/50 × 9 = 135/450 - Add the two like fractions:
1050/450 + 135/450 = 1050 + 135/450 = 1185/450 - 1185/450 simplified gives 79/30
- So, 42/18 + 15/50 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+15/50 42/18+30/50 42/36+15/50 42/18+45/50 42/54+15/50 42/18+75/50 42/90+15/50