Add 40/70 and 2/40
40/70 + 2/40 is 87/140.
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,
40/70 = 40 × 4/70 × 4 = 160/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Add the two like fractions:
160/280 + 14/280 = 160 + 14/280 = 174/280 - 174/280 simplified gives 87/140
- So, 40/70 + 2/40 = 87/140
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