Add 30/36 and 8/7
1st number: 30/36, 2nd number: 1 1/7
30/36 + 8/7 is 83/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
8/7 = 8 × 36/7 × 36 = 288/252 - Add the two like fractions:
210/252 + 288/252 = 210 + 288/252 = 498/252 - 498/252 simplified gives 83/42
- So, 30/36 + 8/7 = 83/42
In mixed form: 141/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+8/7 30/36+16/7 30/72+8/7 30/36+8/14 90/36+8/7 30/36+24/7 30/36+8/21 30/36+40/7 30/36+8/35 30/36+56/7 30/36+8/49