Add 90/42 and 42/4
1st number: 2 6/42, 2nd number: 10 2/4
90/42 + 42/4 is 177/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
90/42 = 90 × 2/42 × 2 = 180/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
42/4 = 42 × 21/4 × 21 = 882/84 - Add the two like fractions:
180/84 + 882/84 = 180 + 882/84 = 1062/84 - 1062/84 simplified gives 177/14
- So, 90/42 + 42/4 = 177/14
In mixed form: 129/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+84/4 90/84+42/4 90/42+42/8 90/42+42/12 90/42+42/20 90/42+42/28