Add 3/70 and 20/50
3/70 + 20/50 is 31/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
3/70 = 3 × 5/70 × 5 = 15/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
20/50 = 20 × 7/50 × 7 = 140/350 - Add the two like fractions:
15/350 + 140/350 = 15 + 140/350 = 155/350 - 155/350 simplified gives 31/70
- So, 3/70 + 20/50 = 31/70
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