Add 20/18 and 63/25
1st number: 1 2/18, 2nd number: 2 13/25
20/18 + 63/25 is 817/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
63/25 = 63 × 18/25 × 18 = 1134/450 - Add the two like fractions:
500/450 + 1134/450 = 500 + 1134/450 = 1634/450 - 1634/450 simplified gives 817/225
- So, 20/18 + 63/25 = 817/225
In mixed form: 3142/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+63/25 20/36+63/25 20/18+63/50 60/18+63/25 20/54+63/25 20/18+63/75 20/90+63/25