Add 84/90 and 20/48
84/90 + 20/48 is 27/20.
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,
84/90 = 84 × 8/90 × 8 = 672/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
20/48 = 20 × 15/48 × 15 = 300/720 - Add the two like fractions:
672/720 + 300/720 = 672 + 300/720 = 972/720 - 972/720 simplified gives 27/20
- So, 84/90 + 20/48 = 27/20
In mixed form: 17/20
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