Add 70/4 and 90/18
1st number: 17 2/4, 2nd number: 5 0/18
70/4 + 90/18 is 45/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
90/18 = 90 × 2/18 × 2 = 180/36 - Add the two like fractions:
630/36 + 180/36 = 630 + 180/36 = 810/36 - 810/36 simplified gives 45/2
- So, 70/4 + 90/18 = 45/2
In mixed form: 221/2
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