Add 56/60 and 45/21
1st number: 56/60, 2nd number: 2 3/21
56/60 + 45/21 is 323/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
56/60 = 56 × 7/60 × 7 = 392/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
45/21 = 45 × 20/21 × 20 = 900/420 - Add the two like fractions:
392/420 + 900/420 = 392 + 900/420 = 1292/420 - 1292/420 simplified gives 323/105
- So, 56/60 + 45/21 = 323/105
In mixed form: 38/105
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