Add 21/54 and 1/48
21/54 + 1/48 is 59/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 48 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Likewise, for the 2nd fraction, since 48 × 9 = 432,
1/48 = 1 × 9/48 × 9 = 9/432 - Add the two like fractions:
168/432 + 9/432 = 168 + 9/432 = 177/432 - 177/432 simplified gives 59/144
- So, 21/54 + 1/48 = 59/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54+1/48 21/54+2/48 21/54+1/96 63/54+1/48 21/54+3/48 21/54+5/48 21/54+7/48