Add 18/90 and 21/48
18/90 + 21/48 is 51/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
18/90 = 18 × 8/90 × 8 = 144/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
21/48 = 21 × 15/48 × 15 = 315/720 - Add the two like fractions:
144/720 + 315/720 = 144 + 315/720 = 459/720 - 459/720 simplified gives 51/80
- So, 18/90 + 21/48 = 51/80
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