Add 56/63 and 15/30
56/63 + 15/30 is 25/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
56/63 = 56 × 10/63 × 10 = 560/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
15/30 = 15 × 21/30 × 21 = 315/630 - Add the two like fractions:
560/630 + 315/630 = 560 + 315/630 = 875/630 - 875/630 simplified gives 25/18
- So, 56/63 + 15/30 = 25/18
In mixed form: 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+15/60 56/63+45/30 56/63+15/90 56/63+75/30