Add 42/90 and 30/24
1st number: 42/90, 2nd number: 1 6/24
42/90 + 30/24 is 103/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
42/90 = 42 × 4/90 × 4 = 168/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
30/24 = 30 × 15/24 × 15 = 450/360 - Add the two like fractions:
168/360 + 450/360 = 168 + 450/360 = 618/360 - 618/360 simplified gives 103/60
- So, 42/90 + 30/24 = 103/60
In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+30/24 42/90+60/24 42/90+30/48 42/90+90/24 42/90+30/72