Add 20/14 and 40/8
1st number: 1 6/14, 2nd number: 5 0/8
20/14 + 40/8 is 45/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
20/14 = 20 × 4/14 × 4 = 80/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
40/8 = 40 × 7/8 × 7 = 280/56 - Add the two like fractions:
80/56 + 280/56 = 80 + 280/56 = 360/56 - 360/56 simplified gives 45/7
- So, 20/14 + 40/8 = 45/7
In mixed form: 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+40/8 20/14+80/8 20/28+40/8 20/14+40/16 60/14+40/8 20/42+40/8 20/14+40/24 20/70+40/8 20/98+40/8 20/14+40/56