Add 63/54 and 7/70
1st number: 1 9/54, 2nd number: 7/70
63/54 + 7/70 is 19/15.
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,
63/54 = 63 × 35/54 × 35 = 2205/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
7/70 = 7 × 27/70 × 27 = 189/1890 - Add the two like fractions:
2205/1890 + 189/1890 = 2205 + 189/1890 = 2394/1890 - 2394/1890 simplified gives 19/15
- So, 63/54 + 7/70 = 19/15
In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54+14/70 63/54+21/70 63/54+35/70 63/54+49/70