Add 20/25 and 28/36
20/25 + 28/36 is 71/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
20/25 = 20 × 36/25 × 36 = 720/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
28/36 = 28 × 25/36 × 25 = 700/900 - Add the two like fractions:
720/900 + 700/900 = 720 + 700/900 = 1420/900 - 1420/900 simplified gives 71/45
- So, 20/25 + 28/36 = 71/45
In mixed form: 126/45
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