Add 21/90 and 45/24
1st number: 21/90, 2nd number: 1 21/24
21/90 + 45/24 is 253/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
21/90 = 21 × 4/90 × 4 = 84/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
45/24 = 45 × 15/24 × 15 = 675/360 - Add the two like fractions:
84/360 + 675/360 = 84 + 675/360 = 759/360 - 759/360 simplified gives 253/120
- So, 21/90 + 45/24 = 253/120
In mixed form: 213/120
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