Add 36/30 and 28/42
1st number: 1 6/30, 2nd number: 28/42
36/30 + 28/42 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
36/30 = 36 × 7/30 × 7 = 252/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Add the two like fractions:
252/210 + 140/210 = 252 + 140/210 = 392/210 - 392/210 simplified gives 28/15
- So, 36/30 + 28/42 = 28/15
In mixed form: 113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+28/42 36/30+56/42 36/60+28/42 36/30+28/84 36/30+84/42 36/90+28/42