Add 21/36 and 30/35
21/36 + 30/35 is 121/84.
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,
21/36 = 21 × 35/36 × 35 = 735/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
30/35 = 30 × 36/35 × 36 = 1080/1260 - Add the two like fractions:
735/1260 + 1080/1260 = 735 + 1080/1260 = 1815/1260 - 1815/1260 simplified gives 121/84
- So, 21/36 + 30/35 = 121/84
In mixed form: 137/84
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