Add 10/70 and 4/40
10/70 + 4/40 is 17/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
10/70 = 10 × 4/70 × 4 = 40/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Add the two like fractions:
40/280 + 28/280 = 40 + 28/280 = 68/280 - 68/280 simplified gives 17/70
- So, 10/70 + 4/40 = 17/70
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