Add 70/20 and 50/40
1st number: 3 10/20, 2nd number: 1 10/40
70/20 + 50/40 is 19/4.
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,
70/20 = 70 × 2/20 × 2 = 140/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
50/40 = 50 × 1/40 × 1 = 50/40 - Add the two like fractions:
140/40 + 50/40 = 140 + 50/40 = 190/40 - 190/40 simplified gives 19/4
- So, 70/20 + 50/40 = 19/4
In mixed form: 43/4
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