Add 30/25 and 54/20
1st number: 1 5/25, 2nd number: 2 14/20
30/25 + 54/20 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
30/25 = 30 × 4/25 × 4 = 120/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
54/20 = 54 × 5/20 × 5 = 270/100 - Add the two like fractions:
120/100 + 270/100 = 120 + 270/100 = 390/100 - 390/100 simplified gives 39/10
- So, 30/25 + 54/20 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+54/20 30/50+54/20 30/25+54/40 90/25+54/20 30/75+54/20 30/25+54/60