Add 20/96 and 40/90
20/96 + 40/90 is 47/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 96 × 15 = 1440,
20/96 = 20 × 15/96 × 15 = 300/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
40/90 = 40 × 16/90 × 16 = 640/1440 - Add the two like fractions:
300/1440 + 640/1440 = 300 + 640/1440 = 940/1440 - 940/1440 simplified gives 47/72
- So, 20/96 + 40/90 = 47/72
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