Add 1/15 and 20/56
1/15 + 20/56 is 89/210.
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,
1/15 = 1 × 56/15 × 56 = 56/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Add the two like fractions:
56/840 + 300/840 = 56 + 300/840 = 356/840 - 356/840 simplified gives 89/210
- So, 1/15 + 20/56 = 89/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+20/56 1/15+40/56 1/30+20/56 3/15+20/56 1/15+60/56 1/45+20/56 5/15+20/56 1/75+20/56 7/15+20/56