Add 18/20 and 24/56
18/20 + 24/56 is 93/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
18/20 = 18 × 14/20 × 14 = 252/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
24/56 = 24 × 5/56 × 5 = 120/280 - Add the two like fractions:
252/280 + 120/280 = 252 + 120/280 = 372/280 - 372/280 simplified gives 93/70
- So, 18/20 + 24/56 = 93/70
In mixed form: 123/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+24/56 18/20+48/56 18/40+24/56 54/20+24/56 18/20+72/56 18/60+24/56 90/20+24/56