Add 50/5 and 60/21
1st number: 10 0/5, 2nd number: 2 18/21
50/5 + 60/21 is 90/7.
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,
50/5 = 50 × 21/5 × 21 = 1050/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
60/21 = 60 × 5/21 × 5 = 300/105 - Add the two like fractions:
1050/105 + 300/105 = 1050 + 300/105 = 1350/105 - 1350/105 simplified gives 90/7
- So, 50/5 + 60/21 = 90/7
In mixed form: 126/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10+60/21 50/5+60/42 50/15+60/21 50/5+60/63 50/25+60/21 50/35+60/21