Add 54/16 and 42/84
1st number: 3 6/16, 2nd number: 42/84
54/16 + 42/84 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
54/16 = 54 × 21/16 × 21 = 1134/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
42/84 = 42 × 4/84 × 4 = 168/336 - Add the two like fractions:
1134/336 + 168/336 = 1134 + 168/336 = 1302/336 - 1302/336 simplified gives 31/8
- So, 54/16 + 42/84 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/32+42/84 54/48+42/84 54/80+42/84