Add 15/70 and 10/54
15/70 + 10/54 is 151/378.
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,
10/54 = 10 × 35/54 × 35 = 350/1890 - Add the two like fractions:
405/1890 + 350/1890 = 405 + 350/1890 = 755/1890 - 755/1890 simplified gives 151/378
- So, 15/70 + 10/54 = 151/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+10/54 15/70+20/54 45/70+10/54 15/70+30/54 75/70+10/54 15/70+50/54 15/70+70/54