Add 54/12 and 42/16
1st number: 4 6/12, 2nd number: 2 10/16
54/12 + 42/16 is 57/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
54/12 = 54 × 4/12 × 4 = 216/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
42/16 = 42 × 3/16 × 3 = 126/48 - Add the two like fractions:
216/48 + 126/48 = 216 + 126/48 = 342/48 - 342/48 simplified gives 57/8
- So, 54/12 + 42/16 = 57/8
In mixed form: 71/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+84/16 54/24+42/16 54/12+42/32 54/36+42/16 54/12+42/48 54/60+42/16 54/12+42/80 54/84+42/16