Add 80/75 and 63/18
1st number: 1 5/75, 2nd number: 3 9/18
80/75 + 63/18 is 137/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
80/75 = 80 × 6/75 × 6 = 480/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
63/18 = 63 × 25/18 × 25 = 1575/450 - Add the two like fractions:
480/450 + 1575/450 = 480 + 1575/450 = 2055/450 - 2055/450 simplified gives 137/30
- So, 80/75 + 63/18 = 137/30
In mixed form: 417/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75+63/36 80/75+63/54 80/75+63/90