Add 42/30 and 45/80
1st number: 1 12/30, 2nd number: 45/80
42/30 + 45/80 is 157/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240 - Add the two like fractions:
336/240 + 135/240 = 336 + 135/240 = 471/240 - 471/240 simplified gives 157/80
- So, 42/30 + 45/80 = 157/80
In mixed form: 177/80
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