Add 1/2 and 84/80
1st number: 1/2, 2nd number: 1 4/80
1/2 + 84/80 is 31/20.
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,
1/2 = 1 × 40/2 × 40 = 40/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Add the two like fractions:
40/80 + 84/80 = 40 + 84/80 = 124/80 - 124/80 simplified gives 31/20
- So, 1/2 + 84/80 = 31/20
In mixed form: 111/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/4+84/80 3/2+84/80 1/6+84/80 5/2+84/80 1/10+84/80 7/2+84/80 1/14+84/80