Add 45/40 and 24/7
1st number: 1 5/40, 2nd number: 3 3/7
45/40 + 24/7 is 255/56.
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,
45/40 = 45 × 7/40 × 7 = 315/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
24/7 = 24 × 40/7 × 40 = 960/280 - Add the two like fractions:
315/280 + 960/280 = 315 + 960/280 = 1275/280 - 1275/280 simplified gives 255/56
- So, 45/40 + 24/7 = 255/56
In mixed form: 431/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+24/7 45/40+48/7 45/80+24/7 45/40+24/14 45/40+72/7 45/40+24/21 45/40+24/35 45/40+24/49