Add 70/25 and 15/63
1st number: 2 20/25, 2nd number: 15/63
70/25 + 15/63 is 319/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
70/25 = 70 × 63/25 × 63 = 4410/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
15/63 = 15 × 25/63 × 25 = 375/1575 - Add the two like fractions:
4410/1575 + 375/1575 = 4410 + 375/1575 = 4785/1575 - 4785/1575 simplified gives 319/105
- So, 70/25 + 15/63 = 319/105
In mixed form: 34/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+30/63 70/50+15/63 70/25+45/63 70/75+15/63 70/25+75/63