Add 24/40 and 40/7
1st number: 24/40, 2nd number: 5 5/7
24/40 + 40/7 is 221/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 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 7 × 40 = 280,
40/7 = 40 × 40/7 × 40 = 1600/280 - Add the two like fractions:
168/280 + 1600/280 = 168 + 1600/280 = 1768/280 - 1768/280 simplified gives 221/35
- So, 24/40 + 40/7 = 221/35
In mixed form: 611/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/40+40/7 24/40+80/7 24/80+40/7 24/40+40/14 72/40+40/7 24/40+40/21 24/40+40/35 24/40+40/49