Add 30/36 and 21/30
30/36 + 21/30 is 23/15.
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,
30/36 = 30 × 5/36 × 5 = 150/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
21/30 = 21 × 6/30 × 6 = 126/180 - Add the two like fractions:
150/180 + 126/180 = 150 + 126/180 = 276/180 - 276/180 simplified gives 23/15
- So, 30/36 + 21/30 = 23/15
In mixed form: 18/15
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