Solutions by everydaycalculation.com

1^{st} number: 8/54, 2^{nd} number: 1 11/70

854 + 8170 is 24671890.

- Find the least common denominator or LCM of the two denominators:

LCM of 54 and 70 is**1890**

Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,

854 = 8 × 3554 × 35 = 2801890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,

8170 = 81 × 2770 × 27 = 21871890 - Add the two like fractions:

2801890 + 21871890 = 280 + 21871890 = 24671890 - So, 8/54 + 81/70 = 2467/1890

In mixed form: 15771890

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