Add 45/54 and 16/70
45/54 + 16/70 is 223/210.
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,
45/54 = 45 × 35/54 × 35 = 1575/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
16/70 = 16 × 27/70 × 27 = 432/1890 - Add the two like fractions:
1575/1890 + 432/1890 = 1575 + 432/1890 = 2007/1890 - 2007/1890 simplified gives 223/210
- So, 45/54 + 16/70 = 223/210
In mixed form: 113/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+16/70 45/54+32/70 45/54+48/70 45/54+80/70