Add 16/18 and 42/63
16/18 + 42/63 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
16/18 = 16 × 7/18 × 7 = 112/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Add the two like fractions:
112/126 + 84/126 = 112 + 84/126 = 196/126 - 196/126 simplified gives 14/9
- So, 16/18 + 42/63 = 14/9
In mixed form: 15/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/18+42/63 16/18+84/63 16/36+42/63 48/18+42/63 16/54+42/63 80/18+42/63 16/90+42/63