Add 4/27 and 20/70
4/27 + 20/70 is 82/189.
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,
4/27 = 4 × 70/27 × 70 = 280/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
20/70 = 20 × 27/70 × 27 = 540/1890 - Add the two like fractions:
280/1890 + 540/1890 = 280 + 540/1890 = 820/1890 - 820/1890 simplified gives 82/189
- So, 4/27 + 20/70 = 82/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27+20/70 4/27+40/70 4/54+20/70 12/27+20/70 4/27+60/70 4/81+20/70 20/27+20/70 28/27+20/70