Add 4/56 and 45/54
4/56 + 45/54 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
4/56 = 4 × 27/56 × 27 = 108/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
45/54 = 45 × 28/54 × 28 = 1260/1512 - Add the two like fractions:
108/1512 + 1260/1512 = 108 + 1260/1512 = 1368/1512 - 1368/1512 simplified gives 19/21
- So, 4/56 + 45/54 = 19/21
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