Add 2/7 and 84/40
1st number: 2/7, 2nd number: 2 4/40
2/7 + 84/40 is 167/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
2/7 = 2 × 40/7 × 40 = 80/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
84/40 = 84 × 7/40 × 7 = 588/280 - Add the two like fractions:
80/280 + 588/280 = 80 + 588/280 = 668/280 - 668/280 simplified gives 167/70
- So, 2/7 + 84/40 = 167/70
In mixed form: 227/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+84/40 2/14+84/40 2/7+84/80 6/7+84/40 2/21+84/40 10/7+84/40 2/35+84/40 14/7+84/40 2/49+84/40