Add 1/20 and 70/40
1st number: 1/20, 2nd number: 1 30/40
1/20 + 70/40 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
1/20 = 1 × 2/20 × 2 = 2/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Add the two like fractions:
2/40 + 70/40 = 2 + 70/40 = 72/40 - 72/40 simplified gives 9/5
- So, 1/20 + 70/40 = 9/5
In mixed form: 14/5
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