Add 7/30 and 35/63
7/30 + 35/63 is 71/90.
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,
35/63 = 35 × 10/63 × 10 = 350/630 - Add the two like fractions:
147/630 + 350/630 = 147 + 350/630 = 497/630 - 497/630 simplified gives 71/90
- So, 7/30 + 35/63 = 71/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+35/63 7/30+70/63 7/60+35/63 21/30+35/63 7/90+35/63 35/30+35/63 49/30+35/63