Add 42/49 and 81/60
1st number: 42/49, 2nd number: 1 21/60
42/49 + 81/60 is 309/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 60 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 49 × 60 = 2940,
42/49 = 42 × 60/49 × 60 = 2520/2940 - Likewise, for the 2nd fraction, since 60 × 49 = 2940,
81/60 = 81 × 49/60 × 49 = 3969/2940 - Add the two like fractions:
2520/2940 + 3969/2940 = 2520 + 3969/2940 = 6489/2940 - 6489/2940 simplified gives 309/140
- So, 42/49 + 81/60 = 309/140
In mixed form: 229/140
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