Add 28/30 and 54/56
28/30 + 54/56 is 797/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
28/30 = 28 × 28/30 × 28 = 784/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
54/56 = 54 × 15/56 × 15 = 810/840 - Add the two like fractions:
784/840 + 810/840 = 784 + 810/840 = 1594/840 - 1594/840 simplified gives 797/420
- So, 28/30 + 54/56 = 797/420
In mixed form: 1377/420
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