Add 75/42 and 5/30
1st number: 1 33/42, 2nd number: 5/30
75/42 + 5/30 is 41/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
75/42 = 75 × 5/42 × 5 = 375/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
5/30 = 5 × 7/30 × 7 = 35/210 - Add the two like fractions:
375/210 + 35/210 = 375 + 35/210 = 410/210 - 410/210 simplified gives 41/21
- So, 75/42 + 5/30 = 41/21
In mixed form: 120/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42+10/30 75/84+5/30 75/42+5/60 75/42+15/30 75/42+5/90 75/42+25/30 75/42+35/30