Add 80/72 and 42/84
1st number: 1 8/72, 2nd number: 42/84
80/72 + 42/84 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 84 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
80/72 = 80 × 7/72 × 7 = 560/504 - Likewise, for the 2nd fraction, since 84 × 6 = 504,
42/84 = 42 × 6/84 × 6 = 252/504 - Add the two like fractions:
560/504 + 252/504 = 560 + 252/504 = 812/504 - 812/504 simplified gives 29/18
- So, 80/72 + 42/84 = 29/18
In mixed form: 111/18
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