Add 30/75 and 25/63
30/75 + 25/63 is 251/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
30/75 = 30 × 21/75 × 21 = 630/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
25/63 = 25 × 25/63 × 25 = 625/1575 - Add the two like fractions:
630/1575 + 625/1575 = 630 + 625/1575 = 1255/1575 - 1255/1575 simplified gives 251/315
- So, 30/75 + 25/63 = 251/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+25/63 30/75+50/63 90/75+25/63 30/75+75/63