Add 3/15 and 45/56
3/15 + 45/56 is 281/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
3/15 = 3 × 56/15 × 56 = 168/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Add the two like fractions:
168/840 + 675/840 = 168 + 675/840 = 843/840 - 843/840 simplified gives 281/280
- So, 3/15 + 45/56 = 281/280
In mixed form: 11/280
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