Add 8/80 and 42/20
1st number: 8/80, 2nd number: 2 2/20
8/80 + 42/20 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
8/80 = 8 × 1/80 × 1 = 8/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
42/20 = 42 × 4/20 × 4 = 168/80 - Add the two like fractions:
8/80 + 168/80 = 8 + 168/80 = 176/80 - 176/80 simplified gives 11/5
- So, 8/80 + 42/20 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80+42/20 8/80+84/20 8/80+42/40 24/80+42/20 8/80+42/60 40/80+42/20 56/80+42/20