Add 42/20 and 56/25
1st number: 2 2/20, 2nd number: 2 6/25
42/20 + 56/25 is 217/50.
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,
56/25 = 56 × 4/25 × 4 = 224/100 - Add the two like fractions:
210/100 + 224/100 = 210 + 224/100 = 434/100 - 434/100 simplified gives 217/50
- So, 42/20 + 56/25 = 217/50
In mixed form: 417/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+56/25 42/40+56/25 42/20+56/50 42/60+56/25 42/20+56/75