Add 10/54 and 40/70
10/54 + 40/70 is 143/189.
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,
10/54 = 10 × 35/54 × 35 = 350/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
40/70 = 40 × 27/70 × 27 = 1080/1890 - Add the two like fractions:
350/1890 + 1080/1890 = 350 + 1080/1890 = 1430/1890 - 1430/1890 simplified gives 143/189
- So, 10/54 + 40/70 = 143/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54+40/70 10/54+80/70 30/54+40/70 50/54+40/70 70/54+40/70