Add 20/8 and 36/70
1st number: 2 4/8, 2nd number: 36/70
20/8 + 36/70 is 211/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
20/8 = 20 × 35/8 × 35 = 700/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
36/70 = 36 × 4/70 × 4 = 144/280 - Add the two like fractions:
700/280 + 144/280 = 700 + 144/280 = 844/280 - 844/280 simplified gives 211/70
- So, 20/8 + 36/70 = 211/70
In mixed form: 31/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+36/70 20/8+72/70 20/16+36/70 60/8+36/70 20/24+36/70 20/40+36/70 20/56+36/70