Add 80/10 and 60/40
1st number: 8 0/10, 2nd number: 1 20/40
80/10 + 60/40 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
80/10 = 80 × 4/10 × 4 = 320/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
60/40 = 60 × 1/40 × 1 = 60/40 - Add the two like fractions:
320/40 + 60/40 = 320 + 60/40 = 380/40 - 380/40 simplified gives 19/2
- So, 80/10 + 60/40 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+60/40 80/10+60/80 80/30+60/40 80/50+60/40 80/70+60/40