Add 90/10 and 21/4
1st number: 9 0/10, 2nd number: 5 1/4
90/10 + 21/4 is 57/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
21/4 = 21 × 5/4 × 5 = 105/20 - Add the two like fractions:
180/20 + 105/20 = 180 + 105/20 = 285/20 - 285/20 simplified gives 57/4
- So, 90/10 + 21/4 = 57/4
In mixed form: 141/4
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