Add 15/63 and 1/30
15/63 + 1/30 is 19/70.
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,
15/63 = 15 × 10/63 × 10 = 150/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
1/30 = 1 × 21/30 × 21 = 21/630 - Add the two like fractions:
150/630 + 21/630 = 150 + 21/630 = 171/630 - 171/630 simplified gives 19/70
- So, 15/63 + 1/30 = 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63+1/30 15/63+2/30 15/63+1/60 45/63+1/30 15/63+3/30 15/63+1/90 75/63+1/30 15/63+5/30 15/63+7/30