Add 72/28 and 28/80
1st number: 2 16/28, 2nd number: 28/80
72/28 + 28/80 is 409/140.
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,
28/80 = 28 × 7/80 × 7 = 196/560 - Add the two like fractions:
1440/560 + 196/560 = 1440 + 196/560 = 1636/560 - 1636/560 simplified gives 409/140
- So, 72/28 + 28/80 = 409/140
In mixed form: 2129/140
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