Add 18/72 and 25/28
18/72 + 25/28 is 8/7.
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,
25/28 = 25 × 18/28 × 18 = 450/504 - Add the two like fractions:
126/504 + 450/504 = 126 + 450/504 = 576/504 - 576/504 simplified gives 8/7
- So, 18/72 + 25/28 = 8/7
In mixed form: 11/7
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