Add 40/5 and 12/7
1st number: 8 0/5, 2nd number: 1 5/7
40/5 + 12/7 is 68/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
40/5 = 40 × 7/5 × 7 = 280/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
12/7 = 12 × 5/7 × 5 = 60/35 - Add the two like fractions:
280/35 + 60/35 = 280 + 60/35 = 340/35 - 340/35 simplified gives 68/7
- So, 40/5 + 12/7 = 68/7
In mixed form: 95/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+12/7 40/5+24/7 40/10+12/7 40/5+12/14 40/5+36/7 40/15+12/7 40/5+12/21 40/5+60/7 40/25+12/7 40/5+12/35 40/5+84/7 40/35+12/7 40/5+12/49