Add 80/7 and 10/40
1st number: 11 3/7, 2nd number: 10/40
80/7 + 10/40 is 327/28.
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,
10/40 = 10 × 7/40 × 7 = 70/280 - Add the two like fractions:
3200/280 + 70/280 = 3200 + 70/280 = 3270/280 - 3270/280 simplified gives 327/28
- So, 80/7 + 10/40 = 327/28
In mixed form: 1119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+20/40 80/14+10/40 80/7+10/80 80/7+30/40 80/21+10/40 80/7+50/40 80/35+10/40 80/7+70/40 80/49+10/40