Add 70/50 and 20/90
1st number: 1 20/50, 2nd number: 20/90
70/50 + 20/90 is 73/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
20/90 = 20 × 5/90 × 5 = 100/450 - Add the two like fractions:
630/450 + 100/450 = 630 + 100/450 = 730/450 - 730/450 simplified gives 73/45
- So, 70/50 + 20/90 = 73/45
In mixed form: 128/45
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