Add 5/56 and 15/90
5/56 + 15/90 is 43/168.
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,
5/56 = 5 × 45/56 × 45 = 225/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
15/90 = 15 × 28/90 × 28 = 420/2520 - Add the two like fractions:
225/2520 + 420/2520 = 225 + 420/2520 = 645/2520 - 645/2520 simplified gives 43/168
- So, 5/56 + 15/90 = 43/168
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