Add 9/40 and 21/10
1st number: 9/40, 2nd number: 2 1/10
9/40 + 21/10 is 93/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
9/40 = 9 × 1/40 × 1 = 9/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
21/10 = 21 × 4/10 × 4 = 84/40 - Add the two like fractions:
9/40 + 84/40 = 9 + 84/40 = 93/40 - So, 9/40 + 21/10 = 93/40
In mixed form: 213/40
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