Add 42/20 and 8/3
1st number: 2 2/20, 2nd number: 2 2/3
42/20 + 8/3 is 143/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
8/3 = 8 × 20/3 × 20 = 160/60 - Add the two like fractions:
126/60 + 160/60 = 126 + 160/60 = 286/60 - 286/60 simplified gives 143/30
- So, 42/20 + 8/3 = 143/30
In mixed form: 423/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+8/3 42/20+16/3 42/40+8/3 42/20+8/6 42/20+24/3 42/60+8/3 42/20+8/9 42/20+40/3 42/20+8/15 42/20+56/3 42/20+8/21