Add 6/5 and 90/21
1st number: 1 1/5, 2nd number: 4 6/21
6/5 + 90/21 is 192/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
6/5 = 6 × 21/5 × 21 = 126/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
90/21 = 90 × 5/21 × 5 = 450/105 - Add the two like fractions:
126/105 + 450/105 = 126 + 450/105 = 576/105 - 576/105 simplified gives 192/35
- So, 6/5 + 90/21 = 192/35
In mixed form: 517/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/5+90/21 6/10+90/21 6/5+90/42 18/5+90/21 6/15+90/21 6/5+90/63 30/5+90/21 6/25+90/21 42/5+90/21 6/35+90/21