Add 21/35 and 20/36
21/35 + 20/36 is 52/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 35 × 36 = 1260,
21/35 = 21 × 36/35 × 36 = 756/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
20/36 = 20 × 35/36 × 35 = 700/1260 - Add the two like fractions:
756/1260 + 700/1260 = 756 + 700/1260 = 1456/1260 - 1456/1260 simplified gives 52/45
- So, 21/35 + 20/36 = 52/45
In mixed form: 17/45
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