Add 42/5 and 49/8
1st number: 8 2/5, 2nd number: 6 1/8
42/5 + 49/8 is 581/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
42/5 = 42 × 8/5 × 8 = 336/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
49/8 = 49 × 5/8 × 5 = 245/40 - Add the two like fractions:
336/40 + 245/40 = 336 + 245/40 = 581/40 - So, 42/5 + 49/8 = 581/40
In mixed form: 1421/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+49/8 42/5+98/8 42/10+49/8 42/5+49/16 42/15+49/8 42/5+49/24 42/25+49/8 42/5+49/40 42/35+49/8 42/5+49/56