Add 25/20 and 18/63
1st number: 1 5/20, 2nd number: 18/63
25/20 + 18/63 is 43/28.
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,
18/63 = 18 × 20/63 × 20 = 360/1260 - Add the two like fractions:
1575/1260 + 360/1260 = 1575 + 360/1260 = 1935/1260 - 1935/1260 simplified gives 43/28
- So, 25/20 + 18/63 = 43/28
In mixed form: 115/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+18/63 25/20+36/63 25/40+18/63 75/20+18/63 25/20+54/63 25/60+18/63 25/20+90/63