Add 25/7 and 12/63
1st number: 3 4/7, 2nd number: 12/63
25/7 + 12/63 is 79/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
25/7 = 25 × 9/7 × 9 = 225/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
12/63 = 12 × 1/63 × 1 = 12/63 - Add the two like fractions:
225/63 + 12/63 = 225 + 12/63 = 237/63 - 237/63 simplified gives 79/21
- So, 25/7 + 12/63 = 79/21
In mixed form: 316/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7+12/63 25/7+24/63 25/14+12/63 75/7+12/63 25/7+36/63 25/21+12/63 25/7+60/63 25/35+12/63 25/7+84/63 25/49+12/63