Add 60/40 and 42/7
1st number: 1 20/40, 2nd number: 6 0/7
60/40 + 42/7 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
60/40 = 60 × 7/40 × 7 = 420/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
42/7 = 42 × 40/7 × 40 = 1680/280 - Add the two like fractions:
420/280 + 1680/280 = 420 + 1680/280 = 2100/280 - 2100/280 simplified gives 15/2
- So, 60/40 + 42/7 = 15/2
In mixed form: 71/2
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