Add 80/7 and 2/40
1st number: 11 3/7, 2nd number: 2/40
80/7 + 2/40 is 1607/140.
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,
80/7 = 80 × 40/7 × 40 = 3200/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Add the two like fractions:
3200/280 + 14/280 = 3200 + 14/280 = 3214/280 - 3214/280 simplified gives 1607/140
- So, 80/7 + 2/40 = 1607/140
In mixed form: 1167/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+4/40 80/14+2/40 80/7+2/80 80/7+6/40 80/21+2/40 80/7+10/40 80/35+2/40 80/7+14/40 80/49+2/40