Add 28/56 and 1/40
28/56 + 1/40 is 21/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
28/56 = 28 × 5/56 × 5 = 140/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Add the two like fractions:
140/280 + 7/280 = 140 + 7/280 = 147/280 - 147/280 simplified gives 21/40
- So, 28/56 + 1/40 = 21/40
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