Add 10/2 and 42/80
1st number: 5 0/2, 2nd number: 42/80
10/2 + 42/80 is 221/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
10/2 = 10 × 40/2 × 40 = 400/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Add the two like fractions:
400/80 + 42/80 = 400 + 42/80 = 442/80 - 442/80 simplified gives 221/40
- So, 10/2 + 42/80 = 221/40
In mixed form: 521/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2+42/80 10/2+84/80 10/4+42/80 30/2+42/80 10/6+42/80 50/2+42/80 70/2+42/80 10/14+42/80