Add 72/2 and 10/21
1st number: 36 0/2, 2nd number: 10/21
72/2 + 10/21 is 766/21.
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,
72/2 = 72 × 21/2 × 21 = 1512/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
10/21 = 10 × 2/21 × 2 = 20/42 - Add the two like fractions:
1512/42 + 20/42 = 1512 + 20/42 = 1532/42 - 1532/42 simplified gives 766/21
- So, 72/2 + 10/21 = 766/21
In mixed form: 3610/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+20/21 72/4+10/21 72/2+10/42 72/2+30/21 72/6+10/21 72/2+10/63 72/2+50/21 72/10+10/21 72/2+70/21 72/14+10/21