Add 70/8 and 81/18
1st number: 8 6/8, 2nd number: 4 9/18
70/8 + 81/18 is 53/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
70/8 = 70 × 9/8 × 9 = 630/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
81/18 = 81 × 4/18 × 4 = 324/72 - Add the two like fractions:
630/72 + 324/72 = 630 + 324/72 = 954/72 - 954/72 simplified gives 53/4
- So, 70/8 + 81/18 = 53/4
In mixed form: 131/4
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