Add 6/54 and 63/70
6/54 + 63/70 is 91/90.
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,
6/54 = 6 × 35/54 × 35 = 210/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
63/70 = 63 × 27/70 × 27 = 1701/1890 - Add the two like fractions:
210/1890 + 1701/1890 = 210 + 1701/1890 = 1911/1890 - 1911/1890 simplified gives 91/90
- So, 6/54 + 63/70 = 91/90
In mixed form: 11/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/54+63/70 18/54+63/70 30/54+63/70 42/54+63/70