Add 42/36 and 75/30
1st number: 1 6/36, 2nd number: 2 15/30
42/36 + 75/30 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
75/30 = 75 × 6/30 × 6 = 450/180 - Add the two like fractions:
210/180 + 450/180 = 210 + 450/180 = 660/180 - 660/180 simplified gives 11/3
- So, 42/36 + 75/30 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+75/30 42/72+75/30 42/36+75/60 42/36+75/90