Add 21/45 and 9/32
21/45 + 9/32 is 359/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
21/45 = 21 × 32/45 × 32 = 672/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
9/32 = 9 × 45/32 × 45 = 405/1440 - Add the two like fractions:
672/1440 + 405/1440 = 672 + 405/1440 = 1077/1440 - 1077/1440 simplified gives 359/480
- So, 21/45 + 9/32 = 359/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/45+9/32 21/45+18/32 21/90+9/32 21/45+9/64 63/45+9/32 21/45+27/32 21/45+9/96 21/45+45/32 21/45+63/32