Add 5/27 and 21/70
5/27 + 21/70 is 131/270.
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,
5/27 = 5 × 70/27 × 70 = 350/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
21/70 = 21 × 27/70 × 27 = 567/1890 - Add the two like fractions:
350/1890 + 567/1890 = 350 + 567/1890 = 917/1890 - 917/1890 simplified gives 131/270
- So, 5/27 + 21/70 = 131/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27+21/70 5/27+42/70 5/54+21/70 15/27+21/70 5/27+63/70 5/81+21/70 25/27+21/70 35/27+21/70