Add 84/15 and 12/56
1st number: 5 9/15, 2nd number: 12/56
84/15 + 12/56 is 407/70.
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,
84/15 = 84 × 56/15 × 56 = 4704/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
12/56 = 12 × 15/56 × 15 = 180/840 - Add the two like fractions:
4704/840 + 180/840 = 4704 + 180/840 = 4884/840 - 4884/840 simplified gives 407/70
- So, 84/15 + 12/56 = 407/70
In mixed form: 557/70
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