Add 56/45 and 21/72
1st number: 1 11/45, 2nd number: 21/72
56/45 + 21/72 is 553/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
56/45 = 56 × 8/45 × 8 = 448/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360 - Add the two like fractions:
448/360 + 105/360 = 448 + 105/360 = 553/360 - So, 56/45 + 21/72 = 553/360
In mixed form: 1193/360
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