Add 6/40 and 4/70
6/40 + 4/70 is 29/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
6/40 = 6 × 7/40 × 7 = 42/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
4/70 = 4 × 4/70 × 4 = 16/280 - Add the two like fractions:
42/280 + 16/280 = 42 + 16/280 = 58/280 - 58/280 simplified gives 29/140
- So, 6/40 + 4/70 = 29/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+4/70 6/40+8/70 6/80+4/70 18/40+4/70 6/40+12/70 30/40+4/70 6/40+20/70 42/40+4/70 6/40+28/70