Add 28/70 and 81/6
1st number: 28/70, 2nd number: 13 3/6
28/70 + 81/6 is 139/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
81/6 = 81 × 35/6 × 35 = 2835/210 - Add the two like fractions:
84/210 + 2835/210 = 84 + 2835/210 = 2919/210 - 2919/210 simplified gives 139/10
- So, 28/70 + 81/6 = 139/10
In mixed form: 139/10
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