Add 90/4 and 3/42
1st number: 22 2/4, 2nd number: 3/42
90/4 + 3/42 is 158/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
90/4 = 90 × 21/4 × 21 = 1890/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84 - Add the two like fractions:
1890/84 + 6/84 = 1890 + 6/84 = 1896/84 - 1896/84 simplified gives 158/7
- So, 90/4 + 3/42 = 158/7
In mixed form: 224/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+6/42 90/8+3/42 90/4+3/84 90/4+9/42 90/12+3/42 90/4+15/42 90/20+3/42 90/4+21/42 90/28+3/42