Add 1/7 and 10/40
1/7 + 10/40 is 11/28.
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,
1/7 = 1 × 40/7 × 40 = 40/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Add the two like fractions:
40/280 + 70/280 = 40 + 70/280 = 110/280 - 110/280 simplified gives 11/28
- So, 1/7 + 10/40 = 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+10/40 1/7+20/40 1/14+10/40 1/7+10/80 3/7+10/40 1/7+30/40 1/21+10/40 5/7+10/40 1/7+50/40 1/35+10/40 1/7+70/40 1/49+10/40