Add 7/15 and 42/80
7/15 + 42/80 is 119/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
7/15 = 7 × 16/15 × 16 = 112/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Add the two like fractions:
112/240 + 126/240 = 112 + 126/240 = 238/240 - 238/240 simplified gives 119/120
- So, 7/15 + 42/80 = 119/120
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