Add 81/70 and 25/60
1st number: 1 11/70, 2nd number: 25/60
81/70 + 25/60 is 661/420.
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,
25/60 = 25 × 7/60 × 7 = 175/420 - Add the two like fractions:
486/420 + 175/420 = 486 + 175/420 = 661/420 - So, 81/70 + 25/60 = 661/420
In mixed form: 1241/420
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