Add 40/5 and 12/80
1st number: 8 0/5, 2nd number: 12/80
40/5 + 12/80 is 163/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
40/5 = 40 × 16/5 × 16 = 640/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
12/80 = 12 × 1/80 × 1 = 12/80 - Add the two like fractions:
640/80 + 12/80 = 640 + 12/80 = 652/80 - 652/80 simplified gives 163/20
- So, 40/5 + 12/80 = 163/20
In mixed form: 83/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+12/80 40/5+24/80 40/10+12/80 40/5+36/80 40/15+12/80 40/5+60/80 40/25+12/80 40/5+84/80 40/35+12/80