Add 30/80 and 63/25
1st number: 30/80, 2nd number: 2 13/25
30/80 + 63/25 is 579/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
30/80 = 30 × 5/80 × 5 = 150/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
63/25 = 63 × 16/25 × 16 = 1008/400 - Add the two like fractions:
150/400 + 1008/400 = 150 + 1008/400 = 1158/400 - 1158/400 simplified gives 579/200
- So, 30/80 + 63/25 = 579/200
In mixed form: 2179/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+63/25 30/80+63/50 90/80+63/25 30/80+63/75