Add 60/63 and 45/20
1st number: 60/63, 2nd number: 2 5/20
60/63 + 45/20 is 269/84.
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,
60/63 = 60 × 20/63 × 20 = 1200/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
45/20 = 45 × 63/20 × 63 = 2835/1260 - Add the two like fractions:
1200/1260 + 2835/1260 = 1200 + 2835/1260 = 4035/1260 - 4035/1260 simplified gives 269/84
- So, 60/63 + 45/20 = 269/84
In mixed form: 317/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+90/20 60/63+45/40 60/63+45/60