Add 18/72 and 63/28
1st number: 18/72, 2nd number: 2 7/28
18/72 + 63/28 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
63/28 = 63 × 18/28 × 18 = 1134/504 - Add the two like fractions:
126/504 + 1134/504 = 126 + 1134/504 = 1260/504 - 1260/504 simplified gives 5/2
- So, 18/72 + 63/28 = 5/2
In mixed form: 21/2
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