Add 56/3 and 42/72
1st number: 18 2/3, 2nd number: 42/72
56/3 + 42/72 is 77/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
56/3 = 56 × 24/3 × 24 = 1344/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Add the two like fractions:
1344/72 + 42/72 = 1344 + 42/72 = 1386/72 - 1386/72 simplified gives 77/4
- So, 56/3 + 42/72 = 77/4
In mixed form: 191/4
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