Add 40/2 and 8/7
1st number: 20 0/2, 2nd number: 1 1/7
40/2 + 8/7 is 148/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
40/2 = 40 × 7/2 × 7 = 280/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
8/7 = 8 × 2/7 × 2 = 16/14 - Add the two like fractions:
280/14 + 16/14 = 280 + 16/14 = 296/14 - 296/14 simplified gives 148/7
- So, 40/2 + 8/7 = 148/7
In mixed form: 211/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+8/7 40/2+16/7 40/4+8/7 40/2+8/14 40/2+24/7 40/6+8/7 40/2+8/21 40/2+40/7 40/10+8/7 40/2+8/35 40/2+56/7 40/14+8/7 40/2+8/49