Add 3/56 and 3/20
3/56 + 3/20 is 57/280.
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,
3/56 = 3 × 5/56 × 5 = 15/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
3/20 = 3 × 14/20 × 14 = 42/280 - Add the two like fractions:
15/280 + 42/280 = 15 + 42/280 = 57/280 - So, 3/56 + 3/20 = 57/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56+3/20 3/56+6/20 3/56+3/40 9/56+3/20 3/56+9/20 3/56+3/60 15/56+3/20 3/56+15/20 21/56+3/20 3/56+21/20