Add 40/5 and 30/14
1st number: 8 0/5, 2nd number: 2 2/14
40/5 + 30/14 is 71/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
40/5 = 40 × 14/5 × 14 = 560/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
30/14 = 30 × 5/14 × 5 = 150/70 - Add the two like fractions:
560/70 + 150/70 = 560 + 150/70 = 710/70 - 710/70 simplified gives 71/7
- So, 40/5 + 30/14 = 71/7
In mixed form: 101/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+30/14 40/5+60/14 40/10+30/14 40/5+30/28 40/5+90/14 40/15+30/14 40/5+30/42 40/25+30/14 40/5+30/70 40/35+30/14 40/5+30/98