Add 15/35 and 20/12
1st number: 15/35, 2nd number: 1 8/12
15/35 + 20/12 is 44/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
15/35 = 15 × 12/35 × 12 = 180/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420 - Add the two like fractions:
180/420 + 700/420 = 180 + 700/420 = 880/420 - 880/420 simplified gives 44/21
- So, 15/35 + 20/12 = 44/21
In mixed form: 22/21
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