Add 20/70 and 10/27
20/70 + 10/27 is 124/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
20/70 = 20 × 27/70 × 27 = 540/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
10/27 = 10 × 70/27 × 70 = 700/1890 - Add the two like fractions:
540/1890 + 700/1890 = 540 + 700/1890 = 1240/1890 - 1240/1890 simplified gives 124/189
- So, 20/70 + 10/27 = 124/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70+10/27 20/70+20/27 20/70+10/54 60/70+10/27 20/70+30/27 20/70+10/81 20/70+50/27 20/70+70/27