Add 2/27 and 21/70
2/27 + 21/70 is 101/270.
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,
2/27 = 2 × 70/27 × 70 = 140/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
21/70 = 21 × 27/70 × 27 = 567/1890 - Add the two like fractions:
140/1890 + 567/1890 = 140 + 567/1890 = 707/1890 - 707/1890 simplified gives 101/270
- So, 2/27 + 21/70 = 101/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/27+21/70 2/27+42/70 2/54+21/70 6/27+21/70 2/27+63/70 2/81+21/70 10/27+21/70 14/27+21/70