Add 63/60 and 18/63
1st number: 1 3/60, 2nd number: 18/63
63/60 + 18/63 is 187/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
63/60 = 63 × 21/60 × 21 = 1323/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
18/63 = 18 × 20/63 × 20 = 360/1260 - Add the two like fractions:
1323/1260 + 360/1260 = 1323 + 360/1260 = 1683/1260 - 1683/1260 simplified gives 187/140
- So, 63/60 + 18/63 = 187/140
In mixed form: 147/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60+36/63 63/60+54/63 63/60+90/63