Add 70/80 and 12/36
70/80 + 12/36 is 29/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
70/80 = 70 × 9/80 × 9 = 630/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
12/36 = 12 × 20/36 × 20 = 240/720 - Add the two like fractions:
630/720 + 240/720 = 630 + 240/720 = 870/720 - 870/720 simplified gives 29/24
- So, 70/80 + 12/36 = 29/24
In mixed form: 15/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80+24/36 70/80+12/72 70/80+60/36 70/80+84/36