Add 15/70 and 36/54
15/70 + 36/54 is 37/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 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 54 × 35 = 1890,
36/54 = 36 × 35/54 × 35 = 1260/1890 - Add the two like fractions:
405/1890 + 1260/1890 = 405 + 1260/1890 = 1665/1890 - 1665/1890 simplified gives 37/42
- So, 15/70 + 36/54 = 37/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+36/54 15/70+72/54 45/70+36/54 75/70+36/54