Add 20/40 and 3/35
20/40 + 3/35 is 41/70.
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,
20/40 = 20 × 7/40 × 7 = 140/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
3/35 = 3 × 8/35 × 8 = 24/280 - Add the two like fractions:
140/280 + 24/280 = 140 + 24/280 = 164/280 - 164/280 simplified gives 41/70
- So, 20/40 + 3/35 = 41/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+6/35 20/80+3/35 20/40+3/70 60/40+3/35 20/40+9/35 20/40+15/35 20/40+21/35