Add 24/40 and 27/70
24/40 + 27/70 is 69/70.
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,
24/40 = 24 × 7/40 × 7 = 168/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
27/70 = 27 × 4/70 × 4 = 108/280 - Add the two like fractions:
168/280 + 108/280 = 168 + 108/280 = 276/280 - 276/280 simplified gives 69/70
- So, 24/40 + 27/70 = 69/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/40+27/70 24/40+54/70 24/80+27/70 72/40+27/70 24/40+81/70