Add 10/40 and 18/28
10/40 + 18/28 is 25/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
18/28 = 18 × 10/28 × 10 = 180/280 - Add the two like fractions:
70/280 + 180/280 = 70 + 180/280 = 250/280 - 250/280 simplified gives 25/28
- So, 10/40 + 18/28 = 25/28
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