Add 25/16 and 42/12
1st number: 1 9/16, 2nd number: 3 6/12
25/16 + 42/12 is 81/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 12 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
25/16 = 25 × 3/16 × 3 = 75/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
42/12 = 42 × 4/12 × 4 = 168/48 - Add the two like fractions:
75/48 + 168/48 = 75 + 168/48 = 243/48 - 243/48 simplified gives 81/16
- So, 25/16 + 42/12 = 81/16
In mixed form: 51/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/16+42/12 25/16+84/12 25/32+42/12 25/16+42/24 75/16+42/12 25/48+42/12 25/16+42/36 25/80+42/12 25/16+42/60 25/16+42/84