Add 42/60 and 80/7
1st number: 42/60, 2nd number: 11 3/7
42/60 + 80/7 is 849/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
80/7 = 80 × 60/7 × 60 = 4800/420 - Add the two like fractions:
294/420 + 4800/420 = 294 + 4800/420 = 5094/420 - 5094/420 simplified gives 849/70
- So, 42/60 + 80/7 = 849/70
In mixed form: 129/70
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