Add 10/40 and 1/7
10/40 + 1/7 is 11/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
1/7 = 1 × 40/7 × 40 = 40/280 - Add the two like fractions:
70/280 + 40/280 = 70 + 40/280 = 110/280 - 110/280 simplified gives 11/28
- So, 10/40 + 1/7 = 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+1/7 10/40+2/7 10/80+1/7 10/40+1/14 30/40+1/7 10/40+3/7 10/40+1/21 50/40+1/7 10/40+5/7 10/40+1/35 70/40+1/7 10/40+1/49