Add 28/63 and 40/12
1st number: 28/63, 2nd number: 3 4/12
28/63 + 40/12 is 34/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
40/12 = 40 × 21/12 × 21 = 840/252 - Add the two like fractions:
112/252 + 840/252 = 112 + 840/252 = 952/252 - 952/252 simplified gives 34/9
- So, 28/63 + 40/12 = 34/9
In mixed form: 37/9
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