Add 42/16 and 90/70
1st number: 2 10/16, 2nd number: 1 20/70
42/16 + 90/70 is 219/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
42/16 = 42 × 35/16 × 35 = 1470/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Add the two like fractions:
1470/560 + 720/560 = 1470 + 720/560 = 2190/560 - 2190/560 simplified gives 219/56
- So, 42/16 + 90/70 = 219/56
In mixed form: 351/56
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