Add 8/2 and 75/21
1st number: 4 0/2, 2nd number: 3 12/21
8/2 + 75/21 is 53/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
8/2 = 8 × 21/2 × 21 = 168/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
75/21 = 75 × 2/21 × 2 = 150/42 - Add the two like fractions:
168/42 + 150/42 = 168 + 150/42 = 318/42 - 318/42 simplified gives 53/7
- So, 8/2 + 75/21 = 53/7
In mixed form: 74/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2+75/21 8/4+75/21 8/2+75/42 24/2+75/21 8/6+75/21 8/2+75/63 40/2+75/21 8/10+75/21 56/2+75/21 8/14+75/21