Add 21/56 and 30/45
21/56 + 30/45 is 25/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
21/56 = 21 × 45/56 × 45 = 945/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
30/45 = 30 × 56/45 × 56 = 1680/2520 - Add the two like fractions:
945/2520 + 1680/2520 = 945 + 1680/2520 = 2625/2520 - 2625/2520 simplified gives 25/24
- So, 21/56 + 30/45 = 25/24
In mixed form: 11/24
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