Add 90/9 and 21/84
1st number: 10 0/9, 2nd number: 21/84
90/9 + 21/84 is 41/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
90/9 = 90 × 28/9 × 28 = 2520/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
21/84 = 21 × 3/84 × 3 = 63/252 - Add the two like fractions:
2520/252 + 63/252 = 2520 + 63/252 = 2583/252 - 2583/252 simplified gives 41/4
- So, 90/9 + 21/84 = 41/4
In mixed form: 101/4
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