Add 21/48 and 25/36
21/48 + 25/36 is 163/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
21/48 = 21 × 3/48 × 3 = 63/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
25/36 = 25 × 4/36 × 4 = 100/144 - Add the two like fractions:
63/144 + 100/144 = 63 + 100/144 = 163/144 - So, 21/48 + 25/36 = 163/144
In mixed form: 119/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48+25/36 21/48+50/36 21/96+25/36 21/48+25/72 63/48+25/36 21/48+75/36