Add 42/48 and 18/70
42/48 + 18/70 is 317/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
42/48 = 42 × 35/48 × 35 = 1470/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
18/70 = 18 × 24/70 × 24 = 432/1680 - Add the two like fractions:
1470/1680 + 432/1680 = 1470 + 432/1680 = 1902/1680 - 1902/1680 simplified gives 317/280
- So, 42/48 + 18/70 = 317/280
In mixed form: 137/280
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