Add 70/63 and 4/30
1st number: 1 7/63, 2nd number: 4/30
70/63 + 4/30 is 56/45.
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,
70/63 = 70 × 10/63 × 10 = 700/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
4/30 = 4 × 21/30 × 21 = 84/630 - Add the two like fractions:
700/630 + 84/630 = 700 + 84/630 = 784/630 - 784/630 simplified gives 56/45
- So, 70/63 + 4/30 = 56/45
In mixed form: 111/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63+8/30 70/63+4/60 70/63+12/30 70/63+4/90 70/63+20/30 70/63+28/30