Add 20/27 and 42/8
1st number: 20/27, 2nd number: 5 2/8
20/27 + 42/8 is 647/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
42/8 = 42 × 27/8 × 27 = 1134/216 - Add the two like fractions:
160/216 + 1134/216 = 160 + 1134/216 = 1294/216 - 1294/216 simplified gives 647/108
- So, 20/27 + 42/8 = 647/108
In mixed form: 5107/108
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