Add 54/56 and 40/90
54/56 + 40/90 is 355/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
54/56 = 54 × 45/56 × 45 = 2430/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
40/90 = 40 × 28/90 × 28 = 1120/2520 - Add the two like fractions:
2430/2520 + 1120/2520 = 2430 + 1120/2520 = 3550/2520 - 3550/2520 simplified gives 355/252
- So, 54/56 + 40/90 = 355/252
In mixed form: 1103/252
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