Add 56/12 and 72/45
1st number: 4 8/12, 2nd number: 1 27/45
56/12 + 72/45 is 94/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
56/12 = 56 × 15/12 × 15 = 840/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
72/45 = 72 × 4/45 × 4 = 288/180 - Add the two like fractions:
840/180 + 288/180 = 840 + 288/180 = 1128/180 - 1128/180 simplified gives 94/15
- So, 56/12 + 72/45 = 94/15
In mixed form: 64/15
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