Add 20/28 and 7/81
20/28 + 7/81 is 454/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
20/28 = 20 × 81/28 × 81 = 1620/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
7/81 = 7 × 28/81 × 28 = 196/2268 - Add the two like fractions:
1620/2268 + 196/2268 = 1620 + 196/2268 = 1816/2268 - 1816/2268 simplified gives 454/567
- So, 20/28 + 7/81 = 454/567
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