Add 70/50 and 42/45
1st number: 1 20/50, 2nd number: 42/45
70/50 + 42/45 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 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 45 × 10 = 450,
42/45 = 42 × 10/45 × 10 = 420/450 - Add the two like fractions:
630/450 + 420/450 = 630 + 420/450 = 1050/450 - 1050/450 simplified gives 7/3
- So, 70/50 + 42/45 = 7/3
In mixed form: 21/3
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