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