Add 12/36 and 90/35
1st number: 12/36, 2nd number: 2 20/35
12/36 + 90/35 is 61/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
12/36 = 12 × 35/36 × 35 = 420/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
90/35 = 90 × 36/35 × 36 = 3240/1260 - Add the two like fractions:
420/1260 + 3240/1260 = 420 + 3240/1260 = 3660/1260 - 3660/1260 simplified gives 61/21
- So, 12/36 + 90/35 = 61/21
In mixed form: 219/21
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