Add 70/10 and 15/63
1st number: 7 0/10, 2nd number: 15/63
70/10 + 15/63 is 152/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
70/10 = 70 × 63/10 × 63 = 4410/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
15/63 = 15 × 10/63 × 10 = 150/630 - Add the two like fractions:
4410/630 + 150/630 = 4410 + 150/630 = 4560/630 - 4560/630 simplified gives 152/21
- So, 70/10 + 15/63 = 152/21
In mixed form: 75/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+30/63 70/20+15/63 70/10+45/63 70/30+15/63 70/10+75/63 70/50+15/63