Add 2/30 and 70/63
1st number: 2/30, 2nd number: 1 7/63
2/30 + 70/63 is 53/45.
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,
2/30 = 2 × 21/30 × 21 = 42/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630 - Add the two like fractions:
42/630 + 700/630 = 42 + 700/630 = 742/630 - 742/630 simplified gives 53/45
- So, 2/30 + 70/63 = 53/45
In mixed form: 18/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+70/63 2/60+70/63 6/30+70/63 2/90+70/63 10/30+70/63 14/30+70/63