Add 42/5 and 63/64
1st number: 8 2/5, 2nd number: 63/64
42/5 + 63/64 is 3003/320.
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,
42/5 = 42 × 64/5 × 64 = 2688/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
63/64 = 63 × 5/64 × 5 = 315/320 - Add the two like fractions:
2688/320 + 315/320 = 2688 + 315/320 = 3003/320 - So, 42/5 + 63/64 = 3003/320
In mixed form: 9123/320
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+63/64 42/10+63/64 42/15+63/64 42/25+63/64 42/35+63/64