Add 15/42 and 56/45
1st number: 15/42, 2nd number: 1 11/45
15/42 + 56/45 is 1009/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
15/42 = 15 × 15/42 × 15 = 225/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
56/45 = 56 × 14/45 × 14 = 784/630 - Add the two like fractions:
225/630 + 784/630 = 225 + 784/630 = 1009/630 - So, 15/42 + 56/45 = 1009/630
In mixed form: 1379/630
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