Add 7/12 and 42/80
7/12 + 42/80 is 133/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
7/12 = 7 × 20/12 × 20 = 140/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Add the two like fractions:
140/240 + 126/240 = 140 + 126/240 = 266/240 - 266/240 simplified gives 133/120
- So, 7/12 + 42/80 = 133/120
In mixed form: 113/120
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