Add 4/7 and 10/40
4/7 + 10/40 is 23/28.
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,
4/7 = 4 × 40/7 × 40 = 160/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Add the two like fractions:
160/280 + 70/280 = 160 + 70/280 = 230/280 - 230/280 simplified gives 23/28
- So, 4/7 + 10/40 = 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7+10/40 4/7+20/40 4/14+10/40 4/7+10/80 12/7+10/40 4/7+30/40 4/21+10/40 20/7+10/40 4/7+50/40 4/35+10/40 28/7+10/40 4/7+70/40 4/49+10/40