Add 72/9 and 70/4
1st number: 8 0/9, 2nd number: 17 2/4
72/9 + 70/4 is 51/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Add the two like fractions:
288/36 + 630/36 = 288 + 630/36 = 918/36 - 918/36 simplified gives 51/2
- So, 72/9 + 70/4 = 51/2
In mixed form: 251/2
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