Add 20/42 and 40/36
1st number: 20/42, 2nd number: 1 4/36
20/42 + 40/36 is 100/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
20/42 = 20 × 6/42 × 6 = 120/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
40/36 = 40 × 7/36 × 7 = 280/252 - Add the two like fractions:
120/252 + 280/252 = 120 + 280/252 = 400/252 - 400/252 simplified gives 100/63
- So, 20/42 + 40/36 = 100/63
In mixed form: 137/63
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