Add 36/40 and 20/70
36/40 + 20/70 is 83/70.
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,
36/40 = 36 × 7/40 × 7 = 252/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
20/70 = 20 × 4/70 × 4 = 80/280 - Add the two like fractions:
252/280 + 80/280 = 252 + 80/280 = 332/280 - 332/280 simplified gives 83/70
- So, 36/40 + 20/70 = 83/70
In mixed form: 113/70
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