Add 42/49 and 35/80
42/49 + 35/80 is 145/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
42/49 = 42 × 80/49 × 80 = 3360/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
35/80 = 35 × 49/80 × 49 = 1715/3920 - Add the two like fractions:
3360/3920 + 1715/3920 = 3360 + 1715/3920 = 5075/3920 - 5075/3920 simplified gives 145/112
- So, 42/49 + 35/80 = 145/112
In mixed form: 133/112
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