Add 21/45 and 20/8
1st number: 21/45, 2nd number: 2 4/8
21/45 + 20/8 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
21/45 = 21 × 8/45 × 8 = 168/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
20/8 = 20 × 45/8 × 45 = 900/360 - Add the two like fractions:
168/360 + 900/360 = 168 + 900/360 = 1068/360 - 1068/360 simplified gives 89/30
- So, 21/45 + 20/8 = 89/30
In mixed form: 229/30
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