Add 63/54 and 5/20
1st number: 1 9/54, 2nd number: 5/20
63/54 + 5/20 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
63/54 = 63 × 10/54 × 10 = 630/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
5/20 = 5 × 27/20 × 27 = 135/540 - Add the two like fractions:
630/540 + 135/540 = 630 + 135/540 = 765/540 - 765/540 simplified gives 17/12
- So, 63/54 + 5/20 = 17/12
In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54+10/20 63/54+5/40 63/54+15/20 63/54+5/60 63/54+25/20 63/54+35/20