Add 20/27 and 30/8
1st number: 20/27, 2nd number: 3 6/8
20/27 + 30/8 is 485/108.
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,
30/8 = 30 × 27/8 × 27 = 810/216 - Add the two like fractions:
160/216 + 810/216 = 160 + 810/216 = 970/216 - 970/216 simplified gives 485/108
- So, 20/27 + 30/8 = 485/108
In mixed form: 453/108
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