Add 30/28 and 84/70
1st number: 1 2/28, 2nd number: 1 14/70
30/28 + 84/70 is 159/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
84/70 = 84 × 2/70 × 2 = 168/140 - Add the two like fractions:
150/140 + 168/140 = 150 + 168/140 = 318/140 - 318/140 simplified gives 159/70
- So, 30/28 + 84/70 = 159/70
In mixed form: 219/70
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