Add 21/9 and 90/56
1st number: 2 3/9, 2nd number: 1 34/56
21/9 + 90/56 is 331/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
21/9 = 21 × 56/9 × 56 = 1176/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Add the two like fractions:
1176/504 + 810/504 = 1176 + 810/504 = 1986/504 - 1986/504 simplified gives 331/84
- So, 21/9 + 90/56 = 331/84
In mixed form: 379/84
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