Add 20/35 and 35/40
20/35 + 35/40 is 81/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
20/35 = 20 × 8/35 × 8 = 160/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
35/40 = 35 × 7/40 × 7 = 245/280 - Add the two like fractions:
160/280 + 245/280 = 160 + 245/280 = 405/280 - 405/280 simplified gives 81/56
- So, 20/35 + 35/40 = 81/56
In mixed form: 125/56
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