Add 28/10 and 84/7
1st number: 2 8/10, 2nd number: 12 0/7
28/10 + 84/7 is 74/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
28/10 = 28 × 7/10 × 7 = 196/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
84/7 = 84 × 10/7 × 10 = 840/70 - Add the two like fractions:
196/70 + 840/70 = 196 + 840/70 = 1036/70 - 1036/70 simplified gives 74/5
- So, 28/10 + 84/7 = 74/5
In mixed form: 144/5
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