Add 21/2 and 54/4
1st number: 10 1/2, 2nd number: 13 2/4
21/2 + 54/4 is 24/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
21/2 = 21 × 2/2 × 2 = 42/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
54/4 = 54 × 1/4 × 1 = 54/4 - Add the two like fractions:
42/4 + 54/4 = 42 + 54/4 = 96/4 - 96/4 simplified gives 24/1
- So, 21/2 + 54/4 = 24/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+54/4 21/4+54/4 21/2+54/8 63/2+54/4 21/6+54/4 21/2+54/12 21/10+54/4 21/2+54/20 21/14+54/4 21/2+54/28