Add 21/45 and 56/4
1st number: 21/45, 2nd number: 14 0/4
21/45 + 56/4 is 217/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
21/45 = 21 × 4/45 × 4 = 84/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
56/4 = 56 × 45/4 × 45 = 2520/180 - Add the two like fractions:
84/180 + 2520/180 = 84 + 2520/180 = 2604/180 - 2604/180 simplified gives 217/15
- So, 21/45 + 56/4 = 217/15
In mixed form: 147/15
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