Add 21/54 and 2/16
21/54 + 2/16 is 37/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 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 16 × 27 = 432,
2/16 = 2 × 27/16 × 27 = 54/432 - Add the two like fractions:
168/432 + 54/432 = 168 + 54/432 = 222/432 - 222/432 simplified gives 37/72
- So, 21/54 + 2/16 = 37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54+2/16 21/54+4/16 21/54+2/32 63/54+2/16 21/54+6/16 21/54+2/48 21/54+10/16 21/54+2/80 21/54+14/16