Add 18/28 and 81/5
1st number: 18/28, 2nd number: 16 1/5
18/28 + 81/5 is 1179/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
81/5 = 81 × 28/5 × 28 = 2268/140 - Add the two like fractions:
90/140 + 2268/140 = 90 + 2268/140 = 2358/140 - 2358/140 simplified gives 1179/70
- So, 18/28 + 81/5 = 1179/70
In mixed form: 1659/70
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