Add 42/14 and 81/4
1st number: 3 0/14, 2nd number: 20 1/4
42/14 + 81/4 is 93/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
42/14 = 42 × 2/14 × 2 = 84/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
81/4 = 81 × 7/4 × 7 = 567/28 - Add the two like fractions:
84/28 + 567/28 = 84 + 567/28 = 651/28 - 651/28 simplified gives 93/4
- So, 42/14 + 81/4 = 93/4
In mixed form: 231/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+81/4 42/28+81/4 42/14+81/8 42/14+81/12 42/70+81/4 42/14+81/20 42/98+81/4 42/14+81/28