Add 28/30 and 10/63
28/30 + 10/63 is 344/315.
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,
10/63 = 10 × 10/63 × 10 = 100/630 - Add the two like fractions:
588/630 + 100/630 = 588 + 100/630 = 688/630 - 688/630 simplified gives 344/315
- So, 28/30 + 10/63 = 344/315
In mixed form: 129/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+10/63 28/30+20/63 28/60+10/63 84/30+10/63 28/30+30/63 28/90+10/63 28/30+50/63 28/30+70/63