Add 72/24 and 4/42
1st number: 3 0/24, 2nd number: 4/42
72/24 + 4/42 is 65/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
72/24 = 72 × 7/24 × 7 = 504/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
4/42 = 4 × 4/42 × 4 = 16/168 - Add the two like fractions:
504/168 + 16/168 = 504 + 16/168 = 520/168 - 520/168 simplified gives 65/21
- So, 72/24 + 4/42 = 65/21
In mixed form: 32/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+8/42 72/48+4/42 72/24+4/84 72/24+12/42 72/24+20/42 72/24+28/42