Add 90/4 and 4/42
1st number: 22 2/4, 2nd number: 4/42
90/4 + 4/42 is 949/42.
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,
4/42 = 4 × 2/42 × 2 = 8/84 - Add the two like fractions:
1890/84 + 8/84 = 1890 + 8/84 = 1898/84 - 1898/84 simplified gives 949/42
- So, 90/4 + 4/42 = 949/42
In mixed form: 2225/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+8/42 90/8+4/42 90/4+4/84 90/4+12/42 90/12+4/42 90/4+20/42 90/20+4/42 90/4+28/42 90/28+4/42