Add 18/36 and 21/35
18/36 + 21/35 is 11/10.
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,
18/36 = 18 × 35/36 × 35 = 630/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
21/35 = 21 × 36/35 × 36 = 756/1260 - Add the two like fractions:
630/1260 + 756/1260 = 630 + 756/1260 = 1386/1260 - 1386/1260 simplified gives 11/10
- So, 18/36 + 21/35 = 11/10
In mixed form: 11/10
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