Add 48/28 and 30/18
1st number: 1 20/28, 2nd number: 1 12/18
48/28 + 30/18 is 71/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
48/28 = 48 × 9/28 × 9 = 432/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
30/18 = 30 × 14/18 × 14 = 420/252 - Add the two like fractions:
432/252 + 420/252 = 432 + 420/252 = 852/252 - 852/252 simplified gives 71/21
- So, 48/28 + 30/18 = 71/21
In mixed form: 38/21
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