Add 42/49 and 10/80
42/49 + 10/80 is 55/56.
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,
10/80 = 10 × 49/80 × 49 = 490/3920 - Add the two like fractions:
3360/3920 + 490/3920 = 3360 + 490/3920 = 3850/3920 - 3850/3920 simplified gives 55/56
- So, 42/49 + 10/80 = 55/56
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