Add 81/18 and 70/16
1st number: 4 9/18, 2nd number: 4 6/16
81/18 + 70/16 is 71/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
81/18 = 81 × 8/18 × 8 = 648/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
70/16 = 70 × 9/16 × 9 = 630/144 - Add the two like fractions:
648/144 + 630/144 = 648 + 630/144 = 1278/144 - 1278/144 simplified gives 71/8
- So, 81/18 + 70/16 = 71/8
In mixed form: 87/8
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