Add 18/56 and 27/70
18/56 + 27/70 is 99/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
27/70 = 27 × 4/70 × 4 = 108/280 - Add the two like fractions:
90/280 + 108/280 = 90 + 108/280 = 198/280 - 198/280 simplified gives 99/140
- So, 18/56 + 27/70 = 99/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56+27/70 18/56+54/70 54/56+27/70 18/56+81/70 90/56+27/70