Add 56/12 and 90/72
1st number: 4 8/12, 2nd number: 1 18/72
56/12 + 90/72 is 71/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
56/12 = 56 × 6/12 × 6 = 336/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
336/72 + 90/72 = 336 + 90/72 = 426/72 - 426/72 simplified gives 71/12
- So, 56/12 + 90/72 = 71/12
In mixed form: 511/12
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