Add 9/54 and 30/70
9/54 + 30/70 is 25/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
9/54 = 9 × 35/54 × 35 = 315/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
30/70 = 30 × 27/70 × 27 = 810/1890 - Add the two like fractions:
315/1890 + 810/1890 = 315 + 810/1890 = 1125/1890 - 1125/1890 simplified gives 25/42
- So, 9/54 + 30/70 = 25/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/54+30/70 9/54+60/70 27/54+30/70 9/54+90/70 45/54+30/70 63/54+30/70