Add 90/18 and 63/28
1st number: 5 0/18, 2nd number: 2 7/28
90/18 + 63/28 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
90/18 = 90 × 14/18 × 14 = 1260/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
63/28 = 63 × 9/28 × 9 = 567/252 - Add the two like fractions:
1260/252 + 567/252 = 1260 + 567/252 = 1827/252 - 1827/252 simplified gives 29/4
- So, 90/18 + 63/28 = 29/4
In mixed form: 71/4
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