Add 7/28 and 28/40
7/28 + 28/40 is 19/20.
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,
7/28 = 7 × 10/28 × 10 = 70/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
28/40 = 28 × 7/40 × 7 = 196/280 - Add the two like fractions:
70/280 + 196/280 = 70 + 196/280 = 266/280 - 266/280 simplified gives 19/20
- So, 7/28 + 28/40 = 19/20
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