Add 20/35 and 45/70
20/35 + 45/70 is 17/14.
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,
20/35 = 20 × 2/35 × 2 = 40/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Add the two like fractions:
40/70 + 45/70 = 40 + 45/70 = 85/70 - 85/70 simplified gives 17/14
- So, 20/35 + 45/70 = 17/14
In mixed form: 13/14
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