Add 40/6 and 8/7
1st number: 6 4/6, 2nd number: 1 1/7
40/6 + 8/7 is 164/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
40/6 = 40 × 7/6 × 7 = 280/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
8/7 = 8 × 6/7 × 6 = 48/42 - Add the two like fractions:
280/42 + 48/42 = 280 + 48/42 = 328/42 - 328/42 simplified gives 164/21
- So, 40/6 + 8/7 = 164/21
In mixed form: 717/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6+8/7 40/6+16/7 40/12+8/7 40/6+8/14 40/6+24/7 40/18+8/7 40/6+8/21 40/6+40/7 40/30+8/7 40/6+8/35 40/6+56/7 40/42+8/7 40/6+8/49