Add 42/12 and 54/48
1st number: 3 6/12, 2nd number: 1 6/48
42/12 + 54/48 is 37/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
42/12 = 42 × 4/12 × 4 = 168/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
54/48 = 54 × 1/48 × 1 = 54/48 - Add the two like fractions:
168/48 + 54/48 = 168 + 54/48 = 222/48 - 222/48 simplified gives 37/8
- So, 42/12 + 54/48 = 37/8
In mixed form: 45/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+54/48 42/24+54/48 42/12+54/96 42/36+54/48 42/60+54/48 42/84+54/48