Add 30/18 and 63/75
1st number: 1 12/18, 2nd number: 63/75
30/18 + 63/75 is 188/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
30/18 = 30 × 25/18 × 25 = 750/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
63/75 = 63 × 6/75 × 6 = 378/450 - Add the two like fractions:
750/450 + 378/450 = 750 + 378/450 = 1128/450 - 1128/450 simplified gives 188/75
- So, 30/18 + 63/75 = 188/75
In mixed form: 238/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+63/75 30/36+63/75 90/18+63/75 30/54+63/75 30/90+63/75