Add 18/27 and 15/70
18/27 + 15/70 is 37/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
18/27 = 18 × 70/27 × 70 = 1260/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
15/70 = 15 × 27/70 × 27 = 405/1890 - Add the two like fractions:
1260/1890 + 405/1890 = 1260 + 405/1890 = 1665/1890 - 1665/1890 simplified gives 37/42
- So, 18/27 + 15/70 = 37/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+15/70 18/27+30/70 18/54+15/70 54/27+15/70 18/27+45/70 18/81+15/70 90/27+15/70 18/27+75/70