Add 42/70 and 84/60
1st number: 42/70, 2nd number: 1 24/60
42/70 + 84/60 is 2/1.
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,
42/70 = 42 × 6/70 × 6 = 252/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Add the two like fractions:
252/420 + 588/420 = 252 + 588/420 = 840/420 - 840/420 simplified gives 2/1
- So, 42/70 + 84/60 = 2/1
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Related: 84/70+84/60