Add 81/5 and 30/28
1st number: 16 1/5, 2nd number: 1 2/28
81/5 + 30/28 is 1209/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
81/5 = 81 × 28/5 × 28 = 2268/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Add the two like fractions:
2268/140 + 150/140 = 2268 + 150/140 = 2418/140 - 2418/140 simplified gives 1209/70
- So, 81/5 + 30/28 = 1209/70
In mixed form: 1719/70
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