Add 36/42 and 80/10
1st number: 36/42, 2nd number: 8 0/10
36/42 + 80/10 is 62/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
36/42 = 36 × 5/42 × 5 = 180/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
80/10 = 80 × 21/10 × 21 = 1680/210 - Add the two like fractions:
180/210 + 1680/210 = 180 + 1680/210 = 1860/210 - 1860/210 simplified gives 62/7
- So, 36/42 + 80/10 = 62/7
In mixed form: 86/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42+80/10 36/84+80/10 36/42+80/20 36/42+80/30 36/42+80/50 36/42+80/70