Add 15/56 and 12/45
15/56 + 12/45 is 449/840.
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,
15/56 = 15 × 45/56 × 45 = 675/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
12/45 = 12 × 56/45 × 56 = 672/2520 - Add the two like fractions:
675/2520 + 672/2520 = 675 + 672/2520 = 1347/2520 - 1347/2520 simplified gives 449/840
- So, 15/56 + 12/45 = 449/840
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