Add 32/20 and 3/42
1st number: 1 12/20, 2nd number: 3/42
32/20 + 3/42 is 117/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
32/20 = 32 × 21/20 × 21 = 672/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
3/42 = 3 × 10/42 × 10 = 30/420 - Add the two like fractions:
672/420 + 30/420 = 672 + 30/420 = 702/420 - 702/420 simplified gives 117/70
- So, 32/20 + 3/42 = 117/70
In mixed form: 147/70
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