Add 15/56 and 24/20
1st number: 15/56, 2nd number: 1 4/20
15/56 + 24/20 is 411/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
24/20 = 24 × 14/20 × 14 = 336/280 - Add the two like fractions:
75/280 + 336/280 = 75 + 336/280 = 411/280 - So, 15/56 + 24/20 = 411/280
In mixed form: 1131/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+24/20 15/56+48/20 15/56+24/40 45/56+24/20 15/56+72/20 15/56+24/60 75/56+24/20