Add 72/18 and 70/4
1st number: 4 0/18, 2nd number: 17 2/4
72/18 + 70/4 is 43/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
72/18 = 72 × 2/18 × 2 = 144/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Add the two like fractions:
144/36 + 630/36 = 144 + 630/36 = 774/36 - 774/36 simplified gives 43/2
- So, 72/18 + 70/4 = 43/2
In mixed form: 211/2
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