Add 3/40 and 5/28
3/40 + 5/28 is 71/280.
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,
3/40 = 3 × 7/40 × 7 = 21/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
5/28 = 5 × 10/28 × 10 = 50/280 - Add the two like fractions:
21/280 + 50/280 = 21 + 50/280 = 71/280 - So, 3/40 + 5/28 = 71/280
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