Add 75/42 and 30/4
1st number: 1 33/42, 2nd number: 7 2/4
75/42 + 30/4 is 65/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
75/42 = 75 × 2/42 × 2 = 150/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
30/4 = 30 × 21/4 × 21 = 630/84 - Add the two like fractions:
150/84 + 630/84 = 150 + 630/84 = 780/84 - 780/84 simplified gives 65/7
- So, 75/42 + 30/4 = 65/7
In mixed form: 92/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42+60/4 75/84+30/4 75/42+30/8 75/42+90/4 75/42+30/12 75/42+30/20 75/42+30/28