Add 42/14 and 90/28
1st number: 3 0/14, 2nd number: 3 6/28
42/14 + 90/28 is 87/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 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 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Add the two like fractions:
84/28 + 90/28 = 84 + 90/28 = 174/28 - 174/28 simplified gives 87/14
- So, 42/14 + 90/28 = 87/14
In mixed form: 63/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+90/28 42/28+90/28 42/14+90/56 42/14+90/84 42/70+90/28 42/98+90/28