Add 28/30 and 8/63
28/30 + 8/63 is 334/315.
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,
28/30 = 28 × 21/30 × 21 = 588/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
8/63 = 8 × 10/63 × 10 = 80/630 - Add the two like fractions:
588/630 + 80/630 = 588 + 80/630 = 668/630 - 668/630 simplified gives 334/315
- So, 28/30 + 8/63 = 334/315
In mixed form: 119/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+8/63 28/30+16/63 28/60+8/63 84/30+8/63 28/30+24/63 28/90+8/63 28/30+40/63 28/30+56/63