Add 90/24 and 3/42
1st number: 3 18/24, 2nd number: 3/42
90/24 + 3/42 is 107/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
90/24 = 90 × 7/24 × 7 = 630/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
3/42 = 3 × 4/42 × 4 = 12/168 - Add the two like fractions:
630/168 + 12/168 = 630 + 12/168 = 642/168 - 642/168 simplified gives 107/28
- So, 90/24 + 3/42 = 107/28
In mixed form: 323/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+6/42 90/48+3/42 90/24+3/84 90/24+9/42 90/72+3/42 90/24+15/42 90/24+21/42