Add 20/25 and 28/35
20/25 + 28/35 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 35 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
20/25 = 20 × 7/25 × 7 = 140/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
28/35 = 28 × 5/35 × 5 = 140/175 - Add the two like fractions:
140/175 + 140/175 = 140 + 140/175 = 280/175 - 280/175 simplified gives 8/5
- So, 20/25 + 28/35 = 8/5
In mixed form: 13/5
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