Add 28/35 and 90/12
1st number: 28/35, 2nd number: 7 6/12
28/35 + 90/12 is 83/10.
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,
28/35 = 28 × 12/35 × 12 = 336/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
90/12 = 90 × 35/12 × 35 = 3150/420 - Add the two like fractions:
336/420 + 3150/420 = 336 + 3150/420 = 3486/420 - 3486/420 simplified gives 83/10
- So, 28/35 + 90/12 = 83/10
In mixed form: 83/10
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