Add 90/72 and 42/6
1st number: 1 18/72, 2nd number: 7 0/6
90/72 + 42/6 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
42/6 = 42 × 12/6 × 12 = 504/72 - Add the two like fractions:
90/72 + 504/72 = 90 + 504/72 = 594/72 - 594/72 simplified gives 33/4
- So, 90/72 + 42/6 = 33/4
In mixed form: 81/4
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