Add 70/45 and 80/50
1st number: 1 25/45, 2nd number: 1 30/50
70/45 + 80/50 is 142/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
70/45 = 70 × 10/45 × 10 = 700/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Add the two like fractions:
700/450 + 720/450 = 700 + 720/450 = 1420/450 - 1420/450 simplified gives 142/45
- So, 70/45 + 80/50 = 142/45
In mixed form: 37/45
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