Add 45/25 and 75/30
1st number: 1 20/25, 2nd number: 2 15/30
45/25 + 75/30 is 43/10.
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,
45/25 = 45 × 6/25 × 6 = 270/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
75/30 = 75 × 5/30 × 5 = 375/150 - Add the two like fractions:
270/150 + 375/150 = 270 + 375/150 = 645/150 - 645/150 simplified gives 43/10
- So, 45/25 + 75/30 = 43/10
In mixed form: 43/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25+75/30 45/50+75/30 45/25+75/60 45/75+75/30 45/25+75/90