Add 81/50 and 28/18
1st number: 1 31/50, 2nd number: 1 10/18
81/50 + 28/18 is 1429/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
81/50 = 81 × 9/50 × 9 = 729/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
28/18 = 28 × 25/18 × 25 = 700/450 - Add the two like fractions:
729/450 + 700/450 = 729 + 700/450 = 1429/450 - So, 81/50 + 28/18 = 1429/450
In mixed form: 379/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/50+56/18 81/50+28/36 81/50+84/18 81/50+28/54 81/50+28/90