Add 42/2 and 20/25
1st number: 21 0/2, 2nd number: 20/25
42/2 + 20/25 is 109/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
42/2 = 42 × 25/2 × 25 = 1050/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
20/25 = 20 × 2/25 × 2 = 40/50 - Add the two like fractions:
1050/50 + 40/50 = 1050 + 40/50 = 1090/50 - 1090/50 simplified gives 109/5
- So, 42/2 + 20/25 = 109/5
In mixed form: 214/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+20/25 42/2+40/25 42/4+20/25 42/2+20/50 42/2+60/25 42/6+20/25 42/2+20/75 42/10+20/25 42/14+20/25