Add 28/15 and 84/42
1st number: 1 13/15, 2nd number: 2 0/42
28/15 + 84/42 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
28/15 = 28 × 14/15 × 14 = 392/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
84/42 = 84 × 5/42 × 5 = 420/210 - Add the two like fractions:
392/210 + 420/210 = 392 + 420/210 = 812/210 - 812/210 simplified gives 58/15
- So, 28/15 + 84/42 = 58/15
In mixed form: 313/15
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