Add 63/4 and 54/8
1st number: 15 3/4, 2nd number: 6 6/8
63/4 + 54/8 is 45/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
63/4 = 63 × 2/4 × 2 = 126/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
54/8 = 54 × 1/8 × 1 = 54/8 - Add the two like fractions:
126/8 + 54/8 = 126 + 54/8 = 180/8 - 180/8 simplified gives 45/2
- So, 63/4 + 54/8 = 45/2
In mixed form: 221/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+54/8 63/4+54/16 63/12+54/8 63/4+54/24 63/20+54/8 63/4+54/40 63/28+54/8 63/4+54/56