Add 2/40 and 9/70
2/40 + 9/70 is 5/28.
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,
2/40 = 2 × 7/40 × 7 = 14/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
9/70 = 9 × 4/70 × 4 = 36/280 - Add the two like fractions:
14/280 + 36/280 = 14 + 36/280 = 50/280 - 50/280 simplified gives 5/28
- So, 2/40 + 9/70 = 5/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40+9/70 2/40+18/70 2/80+9/70 6/40+9/70 2/40+27/70 10/40+9/70 2/40+45/70 14/40+9/70 2/40+63/70