Add 42/30 and 75/24
1st number: 1 12/30, 2nd number: 3 3/24
42/30 + 75/24 is 181/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
42/30 = 42 × 4/30 × 4 = 168/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
75/24 = 75 × 5/24 × 5 = 375/120 - Add the two like fractions:
168/120 + 375/120 = 168 + 375/120 = 543/120 - 543/120 simplified gives 181/40
- So, 42/30 + 75/24 = 181/40
In mixed form: 421/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+75/24 42/60+75/24 42/30+75/48 42/90+75/24 42/30+75/72