Add 9/28 and 36/40
9/28 + 36/40 is 171/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
9/28 = 9 × 10/28 × 10 = 90/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
36/40 = 36 × 7/40 × 7 = 252/280 - Add the two like fractions:
90/280 + 252/280 = 90 + 252/280 = 342/280 - 342/280 simplified gives 171/140
- So, 9/28 + 36/40 = 171/140
In mixed form: 131/140
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