Add 72/28 and 42/80
1st number: 2 16/28, 2nd number: 42/80
72/28 + 42/80 is 867/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
72/28 = 72 × 20/28 × 20 = 1440/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
1440/560 + 294/560 = 1440 + 294/560 = 1734/560 - 1734/560 simplified gives 867/280
- So, 72/28 + 42/80 = 867/280
In mixed form: 327/280
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