Add 28/4 and 42/27
1st number: 7 0/4, 2nd number: 1 15/27
28/4 + 42/27 is 77/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
28/4 = 28 × 27/4 × 27 = 756/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
42/27 = 42 × 4/27 × 4 = 168/108 - Add the two like fractions:
756/108 + 168/108 = 756 + 168/108 = 924/108 - 924/108 simplified gives 77/9
- So, 28/4 + 42/27 = 77/9
In mixed form: 85/9
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