Add 42/45 and 9/16
42/45 + 9/16 is 359/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
42/45 = 42 × 16/45 × 16 = 672/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
9/16 = 9 × 45/16 × 45 = 405/720 - Add the two like fractions:
672/720 + 405/720 = 672 + 405/720 = 1077/720 - 1077/720 simplified gives 359/240
- So, 42/45 + 9/16 = 359/240
In mixed form: 1119/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+9/16 42/45+18/16 42/90+9/16 42/45+9/32 42/45+27/16 42/45+9/48 42/45+45/16 42/45+9/80 42/45+63/16