Add 45/25 and 30/20
1st number: 1 20/25, 2nd number: 1 10/20
45/25 + 30/20 is 33/10.
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,
45/25 = 45 × 4/25 × 4 = 180/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
30/20 = 30 × 5/20 × 5 = 150/100 - Add the two like fractions:
180/100 + 150/100 = 180 + 150/100 = 330/100 - 330/100 simplified gives 33/10
- So, 45/25 + 30/20 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25+30/20 45/25+60/20 45/50+30/20 45/25+30/40 45/25+90/20 45/75+30/20 45/25+30/60