Add 6/15 and 20/56
6/15 + 20/56 is 53/70.
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,
6/15 = 6 × 56/15 × 56 = 336/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Add the two like fractions:
336/840 + 300/840 = 336 + 300/840 = 636/840 - 636/840 simplified gives 53/70
- So, 6/15 + 20/56 = 53/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+20/56 6/15+40/56 6/30+20/56 18/15+20/56 6/15+60/56 6/45+20/56 30/15+20/56 6/75+20/56 42/15+20/56