Add 42/15 and 15/48
1st number: 2 12/15, 2nd number: 15/48
42/15 + 15/48 is 249/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
42/15 = 42 × 16/15 × 16 = 672/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
15/48 = 15 × 5/48 × 5 = 75/240 - Add the two like fractions:
672/240 + 75/240 = 672 + 75/240 = 747/240 - 747/240 simplified gives 249/80
- So, 42/15 + 15/48 = 249/80
In mixed form: 39/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+15/48 42/15+30/48 42/30+15/48 42/15+15/96 42/15+45/48 42/45+15/48 42/15+75/48 42/75+15/48