Add 2/18 and 16/21
2/18 + 16/21 is 55/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
2/18 = 2 × 7/18 × 7 = 14/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
16/21 = 16 × 6/21 × 6 = 96/126 - Add the two like fractions:
14/126 + 96/126 = 14 + 96/126 = 110/126 - 110/126 simplified gives 55/63
- So, 2/18 + 16/21 = 55/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18+16/21 2/18+32/21 2/36+16/21 2/18+16/42 6/18+16/21 2/18+48/21 2/54+16/21 2/18+16/63 10/18+16/21 2/18+80/21 2/90+16/21 14/18+16/21