Add 42/20 and 9/25
1st number: 2 2/20, 2nd number: 9/25
42/20 + 9/25 is 123/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
42/20 = 42 × 5/20 × 5 = 210/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
9/25 = 9 × 4/25 × 4 = 36/100 - Add the two like fractions:
210/100 + 36/100 = 210 + 36/100 = 246/100 - 246/100 simplified gives 123/50
- So, 42/20 + 9/25 = 123/50
In mixed form: 223/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+9/25 42/20+18/25 42/40+9/25 42/20+9/50 42/20+27/25 42/60+9/25 42/20+9/75 42/20+45/25 42/20+63/25