Add 42/45 and 5/16
42/45 + 5/16 is 299/240.
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,
5/16 = 5 × 45/16 × 45 = 225/720 - Add the two like fractions:
672/720 + 225/720 = 672 + 225/720 = 897/720 - 897/720 simplified gives 299/240
- So, 42/45 + 5/16 = 299/240
In mixed form: 159/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+5/16 42/45+10/16 42/90+5/16 42/45+5/32 42/45+15/16 42/45+5/48 42/45+25/16 42/45+5/80 42/45+35/16