Add 42/70 and 90/96
42/70 + 90/96 is 123/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 96 is 3360
Next, find the equivalent fraction of both fractional numbers with denominator 3360 - For the 1st fraction, since 70 × 48 = 3360,
42/70 = 42 × 48/70 × 48 = 2016/3360 - Likewise, for the 2nd fraction, since 96 × 35 = 3360,
90/96 = 90 × 35/96 × 35 = 3150/3360 - Add the two like fractions:
2016/3360 + 3150/3360 = 2016 + 3150/3360 = 5166/3360 - 5166/3360 simplified gives 123/80
- So, 42/70 + 90/96 = 123/80
In mixed form: 143/80
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