Add 4/30 and 7/63
4/30 + 7/63 is 11/45.
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,
4/30 = 4 × 21/30 × 21 = 84/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Add the two like fractions:
84/630 + 70/630 = 84 + 70/630 = 154/630 - 154/630 simplified gives 11/45
- So, 4/30 + 7/63 = 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+7/63 4/30+14/63 4/60+7/63 12/30+7/63 4/30+21/63 4/90+7/63 20/30+7/63 4/30+35/63 28/30+7/63 4/30+49/63