Add 7/28 and 63/72
7/28 + 63/72 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
7/28 = 7 × 18/28 × 18 = 126/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
63/72 = 63 × 7/72 × 7 = 441/504 - Add the two like fractions:
126/504 + 441/504 = 126 + 441/504 = 567/504 - 567/504 simplified gives 9/8
- So, 7/28 + 63/72 = 9/8
In mixed form: 11/8
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