Add 81/70 and 28/60
1st number: 1 11/70, 2nd number: 28/60
81/70 + 28/60 is 341/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
81/70 = 81 × 6/70 × 6 = 486/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Add the two like fractions:
486/420 + 196/420 = 486 + 196/420 = 682/420 - 682/420 simplified gives 341/210
- So, 81/70 + 28/60 = 341/210
In mixed form: 1131/210
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