Add 16/30 and 42/63
16/30 + 42/63 is 6/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
16/30 = 16 × 21/30 × 21 = 336/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Add the two like fractions:
336/630 + 420/630 = 336 + 420/630 = 756/630 - 756/630 simplified gives 6/5
- So, 16/30 + 42/63 = 6/5
In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30+42/63 16/30+84/63 16/60+42/63 48/30+42/63 16/90+42/63 80/30+42/63