Add 7/30 and 30/63
7/30 + 30/63 is 149/210.
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,
7/30 = 7 × 21/30 × 21 = 147/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
30/63 = 30 × 10/63 × 10 = 300/630 - Add the two like fractions:
147/630 + 300/630 = 147 + 300/630 = 447/630 - 447/630 simplified gives 149/210
- So, 7/30 + 30/63 = 149/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+30/63 7/30+60/63 7/60+30/63 21/30+30/63 7/30+90/63 7/90+30/63 35/30+30/63 49/30+30/63