Add 15/70 and 10/27
15/70 + 10/27 is 221/378.
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,
15/70 = 15 × 27/70 × 27 = 405/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
10/27 = 10 × 70/27 × 70 = 700/1890 - Add the two like fractions:
405/1890 + 700/1890 = 405 + 700/1890 = 1105/1890 - 1105/1890 simplified gives 221/378
- So, 15/70 + 10/27 = 221/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+10/27 15/70+20/27 15/70+10/54 45/70+10/27 15/70+30/27 15/70+10/81 75/70+10/27 15/70+50/27 15/70+70/27