Add 56/45 and 21/20
1st number: 1 11/45, 2nd number: 1 1/20
56/45 + 21/20 is 413/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
56/45 = 56 × 4/45 × 4 = 224/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
21/20 = 21 × 9/20 × 9 = 189/180 - Add the two like fractions:
224/180 + 189/180 = 224 + 189/180 = 413/180 - So, 56/45 + 21/20 = 413/180
In mixed form: 253/180
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