Add 70/50 and 42/21
1st number: 1 20/50, 2nd number: 2 0/21
70/50 + 42/21 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
70/50 = 70 × 21/50 × 21 = 1470/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
42/21 = 42 × 50/21 × 50 = 2100/1050 - Add the two like fractions:
1470/1050 + 2100/1050 = 1470 + 2100/1050 = 3570/1050 - 3570/1050 simplified gives 17/5
- So, 70/50 + 42/21 = 17/5
In mixed form: 32/5
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