Add 5/40 and 30/70
5/40 + 30/70 is 31/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
5/40 = 5 × 7/40 × 7 = 35/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
30/70 = 30 × 4/70 × 4 = 120/280 - Add the two like fractions:
35/280 + 120/280 = 35 + 120/280 = 155/280 - 155/280 simplified gives 31/56
- So, 5/40 + 30/70 = 31/56
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