Add 72/54 and 28/63
1st number: 1 18/54, 2nd number: 28/63
72/54 + 28/63 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
72/54 = 72 × 7/54 × 7 = 504/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
28/63 = 28 × 6/63 × 6 = 168/378 - Add the two like fractions:
504/378 + 168/378 = 504 + 168/378 = 672/378 - 672/378 simplified gives 16/9
- So, 72/54 + 28/63 = 16/9
In mixed form: 17/9
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