Add 72/14 and 4/42
1st number: 5 2/14, 2nd number: 4/42
72/14 + 4/42 is 110/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
72/14 = 72 × 3/14 × 3 = 216/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
4/42 = 4 × 1/42 × 1 = 4/42 - Add the two like fractions:
216/42 + 4/42 = 216 + 4/42 = 220/42 - 220/42 simplified gives 110/21
- So, 72/14 + 4/42 = 110/21
In mixed form: 55/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+8/42 72/28+4/42 72/14+4/84 72/14+12/42 72/42+4/42 72/14+20/42 72/70+4/42 72/14+28/42 72/98+4/42