Add 42/48 and 25/27
42/48 + 25/27 is 389/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
42/48 = 42 × 9/48 × 9 = 378/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
25/27 = 25 × 16/27 × 16 = 400/432 - Add the two like fractions:
378/432 + 400/432 = 378 + 400/432 = 778/432 - 778/432 simplified gives 389/216
- So, 42/48 + 25/27 = 389/216
In mixed form: 1173/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48+25/27 42/48+50/27 42/96+25/27 42/48+25/54 42/48+75/27 42/48+25/81