Add 21/70 and 81/50
1st number: 21/70, 2nd number: 1 31/50
21/70 + 81/50 is 48/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
21/70 = 21 × 5/70 × 5 = 105/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
81/50 = 81 × 7/50 × 7 = 567/350 - Add the two like fractions:
105/350 + 567/350 = 105 + 567/350 = 672/350 - 672/350 simplified gives 48/25
- So, 21/70 + 81/50 = 48/25
In mixed form: 123/25
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