Add 72/18 and 28/63
1st number: 4 0/18, 2nd number: 28/63
72/18 + 28/63 is 40/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
28/63 = 28 × 2/63 × 2 = 56/126 - Add the two like fractions:
504/126 + 56/126 = 504 + 56/126 = 560/126 - 560/126 simplified gives 40/9
- So, 72/18 + 28/63 = 40/9
In mixed form: 44/9
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