Add 8/42 and 81/45
1st number: 8/42, 2nd number: 1 36/45
8/42 + 81/45 is 209/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
8/42 = 8 × 15/42 × 15 = 120/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
81/45 = 81 × 14/45 × 14 = 1134/630 - Add the two like fractions:
120/630 + 1134/630 = 120 + 1134/630 = 1254/630 - 1254/630 simplified gives 209/105
- So, 8/42 + 81/45 = 209/105
In mixed form: 1104/105
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