Add 45/7 and 21/56
1st number: 6 3/7, 2nd number: 21/56
45/7 + 21/56 is 381/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
45/7 = 45 × 8/7 × 8 = 360/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Add the two like fractions:
360/56 + 21/56 = 360 + 21/56 = 381/56 - So, 45/7 + 21/56 = 381/56
In mixed form: 645/56
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