Add 25/16 and 42/72
1st number: 1 9/16, 2nd number: 42/72
25/16 + 42/72 is 103/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
25/16 = 25 × 9/16 × 9 = 225/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
42/72 = 42 × 2/72 × 2 = 84/144 - Add the two like fractions:
225/144 + 84/144 = 225 + 84/144 = 309/144 - 309/144 simplified gives 103/48
- So, 25/16 + 42/72 = 103/48
In mixed form: 27/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/16+42/72 25/16+84/72 25/32+42/72 75/16+42/72 25/48+42/72 25/80+42/72