Add 72/15 and 45/56
1st number: 4 12/15, 2nd number: 45/56
72/15 + 45/56 is 1569/280.
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,
72/15 = 72 × 56/15 × 56 = 4032/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Add the two like fractions:
4032/840 + 675/840 = 4032 + 675/840 = 4707/840 - 4707/840 simplified gives 1569/280
- So, 72/15 + 45/56 = 1569/280
In mixed form: 5169/280
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