Add 28/5 and 42/64
1st number: 5 3/5, 2nd number: 42/64
28/5 + 42/64 is 1001/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 5 × 64 = 320,
28/5 = 28 × 64/5 × 64 = 1792/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
42/64 = 42 × 5/64 × 5 = 210/320 - Add the two like fractions:
1792/320 + 210/320 = 1792 + 210/320 = 2002/320 - 2002/320 simplified gives 1001/160
- So, 28/5 + 42/64 = 1001/160
In mixed form: 641/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+42/64 28/5+84/64 28/10+42/64 84/5+42/64 28/15+42/64 28/25+42/64 28/35+42/64