Add 21/4 and 70/24
1st number: 5 1/4, 2nd number: 2 22/24
21/4 + 70/24 is 49/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
21/4 = 21 × 6/4 × 6 = 126/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
70/24 = 70 × 1/24 × 1 = 70/24 - Add the two like fractions:
126/24 + 70/24 = 126 + 70/24 = 196/24 - 196/24 simplified gives 49/6
- So, 21/4 + 70/24 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+70/24 21/8+70/24 21/4+70/48 63/4+70/24 21/12+70/24 21/4+70/72 21/20+70/24 21/28+70/24