Add 75/21 and 36/20
1st number: 3 12/21, 2nd number: 1 16/20
75/21 + 36/20 is 188/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
75/21 = 75 × 20/21 × 20 = 1500/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
36/20 = 36 × 21/20 × 21 = 756/420 - Add the two like fractions:
1500/420 + 756/420 = 1500 + 756/420 = 2256/420 - 2256/420 simplified gives 188/35
- So, 75/21 + 36/20 = 188/35
In mixed form: 513/35
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