Add 15/12 and 28/35
1st number: 1 3/12, 2nd number: 28/35
15/12 + 28/35 is 41/20.
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,
15/12 = 15 × 35/12 × 35 = 525/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
28/35 = 28 × 12/35 × 12 = 336/420 - Add the two like fractions:
525/420 + 336/420 = 525 + 336/420 = 861/420 - 861/420 simplified gives 41/20
- So, 15/12 + 28/35 = 41/20
In mixed form: 21/20
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