Add 4/28 and 70/81
4/28 + 70/81 is 571/567.
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,
4/28 = 4 × 81/28 × 81 = 324/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
70/81 = 70 × 28/81 × 28 = 1960/2268 - Add the two like fractions:
324/2268 + 1960/2268 = 324 + 1960/2268 = 2284/2268 - 2284/2268 simplified gives 571/567
- So, 4/28 + 70/81 = 571/567
In mixed form: 14/567
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