Add 25/20 and 49/63
1st number: 1 5/20, 2nd number: 49/63
25/20 + 49/63 is 73/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
25/20 = 25 × 63/20 × 63 = 1575/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
49/63 = 49 × 20/63 × 20 = 980/1260 - Add the two like fractions:
1575/1260 + 980/1260 = 1575 + 980/1260 = 2555/1260 - 2555/1260 simplified gives 73/36
- So, 25/20 + 49/63 = 73/36
In mixed form: 21/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+49/63 25/20+98/63 25/40+49/63 75/20+49/63 25/60+49/63