Add 90/2 and 3/42
1st number: 45 0/2, 2nd number: 3/42
90/2 + 3/42 is 631/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
90/2 = 90 × 21/2 × 21 = 1890/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
3/42 = 3 × 1/42 × 1 = 3/42 - Add the two like fractions:
1890/42 + 3/42 = 1890 + 3/42 = 1893/42 - 1893/42 simplified gives 631/14
- So, 90/2 + 3/42 = 631/14
In mixed form: 451/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+6/42 90/4+3/42 90/2+3/84 90/2+9/42 90/6+3/42 90/2+15/42 90/10+3/42 90/2+21/42 90/14+3/42