Add 3/15 and 3/56
3/15 + 3/56 is 71/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
3/15 = 3 × 56/15 × 56 = 168/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
3/56 = 3 × 15/56 × 15 = 45/840 - Add the two like fractions:
168/840 + 45/840 = 168 + 45/840 = 213/840 - 213/840 simplified gives 71/280
- So, 3/15 + 3/56 = 71/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+3/56 3/15+6/56 3/30+3/56 9/15+3/56 3/15+9/56 3/45+3/56 3/15+15/56 3/75+3/56 21/15+3/56 3/15+21/56