Add 10/40 and 10/35
10/40 + 10/35 is 15/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 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 35 × 8 = 280,
10/35 = 10 × 8/35 × 8 = 80/280 - Add the two like fractions:
70/280 + 80/280 = 70 + 80/280 = 150/280 - 150/280 simplified gives 15/28
- So, 10/40 + 10/35 = 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+10/35 10/40+20/35 10/80+10/35 10/40+10/70 30/40+10/35 10/40+30/35 50/40+10/35 10/40+50/35 70/40+10/35 10/40+70/35