Add 84/16 and 42/90
1st number: 5 4/16, 2nd number: 42/90
84/16 + 42/90 is 343/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
84/16 = 84 × 45/16 × 45 = 3780/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
42/90 = 42 × 8/90 × 8 = 336/720 - Add the two like fractions:
3780/720 + 336/720 = 3780 + 336/720 = 4116/720 - 4116/720 simplified gives 343/60
- So, 84/16 + 42/90 = 343/60
In mixed form: 543/60
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