Solutions by everydaycalculation.com

1^{st} number: 1 1/7, 2^{nd} number: 1 1/8

87 + 98 is 12756.

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

LCM of 7 and 8 is**56**

Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,

87 = 8 × 87 × 8 = 6456 - Likewise, for the 2nd fraction, since 8 × 7 = 56,

98 = 9 × 78 × 7 = 6356 - Add the two like fractions:

6456 + 6356 = 64 + 6356 = 12756 - So, 8/7 + 9/8 = 127/56

In mixed form: 21556

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