Add 20/50 and 45/70
20/50 + 45/70 is 73/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
20/50 = 20 × 7/50 × 7 = 140/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
45/70 = 45 × 5/70 × 5 = 225/350 - Add the two like fractions:
140/350 + 225/350 = 140 + 225/350 = 365/350 - 365/350 simplified gives 73/70
- So, 20/50 + 45/70 = 73/70
In mixed form: 13/70
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