Add 24/2 and 70/21
1st number: 12 0/2, 2nd number: 3 7/21
24/2 + 70/21 is 46/3.
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,
24/2 = 24 × 21/2 × 21 = 504/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42 - Add the two like fractions:
504/42 + 140/42 = 504 + 140/42 = 644/42 - 644/42 simplified gives 46/3
- So, 24/2 + 70/21 = 46/3
In mixed form: 151/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/2+70/21 24/4+70/21 24/2+70/42 72/2+70/21 24/6+70/21 24/2+70/63 24/10+70/21 24/14+70/21