Add 20/12 and 72/35
1st number: 1 8/12, 2nd number: 2 2/35
20/12 + 72/35 is 391/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
72/35 = 72 × 12/35 × 12 = 864/420 - Add the two like fractions:
700/420 + 864/420 = 700 + 864/420 = 1564/420 - 1564/420 simplified gives 391/105
- So, 20/12 + 72/35 = 391/105
In mixed form: 376/105
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