Add 28/35 and 35/70
28/35 + 35/70 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
28/35 = 28 × 2/35 × 2 = 56/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
35/70 = 35 × 1/70 × 1 = 35/70 - Add the two like fractions:
56/70 + 35/70 = 56 + 35/70 = 91/70 - 91/70 simplified gives 13/10
- So, 28/35 + 35/70 = 13/10
In mixed form: 13/10
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