Add 75/63 and 25/20
1st number: 1 12/63, 2nd number: 1 5/20
75/63 + 25/20 is 205/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
75/63 = 75 × 20/63 × 20 = 1500/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
25/20 = 25 × 63/20 × 63 = 1575/1260 - Add the two like fractions:
1500/1260 + 1575/1260 = 1500 + 1575/1260 = 3075/1260 - 3075/1260 simplified gives 205/84
- So, 75/63 + 25/20 = 205/84
In mixed form: 237/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/63+50/20 75/63+25/40 75/63+75/20 75/63+25/60