Add 45/63 and 25/7
1st number: 45/63, 2nd number: 3 4/7
45/63 + 25/7 is 30/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
45/63 = 45 × 1/63 × 1 = 45/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
25/7 = 25 × 9/7 × 9 = 225/63 - Add the two like fractions:
45/63 + 225/63 = 45 + 225/63 = 270/63 - 270/63 simplified gives 30/7
- So, 45/63 + 25/7 = 30/7
In mixed form: 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+25/7 45/63+50/7 45/63+25/14 45/63+75/7 45/63+25/21 45/63+25/35 45/63+25/49