Add 30/25 and 27/30
1st number: 1 5/25, 2nd number: 27/30
30/25 + 27/30 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
30/25 = 30 × 6/25 × 6 = 180/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
27/30 = 27 × 5/30 × 5 = 135/150 - Add the two like fractions:
180/150 + 135/150 = 180 + 135/150 = 315/150 - 315/150 simplified gives 21/10
- So, 30/25 + 27/30 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+27/30 30/25+54/30 30/50+27/30 30/25+27/60 90/25+27/30 30/25+81/30 30/75+27/30 30/25+27/90