Add 12/4 and 10/80
1st number: 3 0/4, 2nd number: 10/80
12/4 + 10/80 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
12/4 = 12 × 20/4 × 20 = 240/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Add the two like fractions:
240/80 + 10/80 = 240 + 10/80 = 250/80 - 250/80 simplified gives 25/8
- So, 12/4 + 10/80 = 25/8
In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+10/80 12/4+20/80 12/8+10/80 36/4+10/80 12/4+30/80 60/4+10/80 12/4+50/80 12/20+10/80 84/4+10/80 12/4+70/80 12/28+10/80