Add 8/2 and 4/21
1st number: 4 0/2, 2nd number: 4/21
8/2 + 4/21 is 88/21.
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,
4/21 = 4 × 2/21 × 2 = 8/42 - Add the two like fractions:
168/42 + 8/42 = 168 + 8/42 = 176/42 - 176/42 simplified gives 88/21
- So, 8/2 + 4/21 = 88/21
In mixed form: 44/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2+4/21 8/2+8/21 8/4+4/21 8/2+4/42 24/2+4/21 8/2+12/21 8/6+4/21 8/2+4/63 40/2+4/21 8/2+20/21 8/10+4/21 56/2+4/21 8/2+28/21 8/14+4/21