Add 8/56 and 20/70
8/56 + 20/70 is 3/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
8/56 = 8 × 5/56 × 5 = 40/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
20/70 = 20 × 4/70 × 4 = 80/280 - Add the two like fractions:
40/280 + 80/280 = 40 + 80/280 = 120/280 - 120/280 simplified gives 3/7
- So, 8/56 + 20/70 = 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/56+20/70 8/56+40/70 24/56+20/70 8/56+60/70 40/56+20/70