Add 90/70 and 75/16
1st number: 1 20/70, 2nd number: 4 11/16
90/70 + 75/16 is 669/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
75/16 = 75 × 35/16 × 35 = 2625/560 - Add the two like fractions:
720/560 + 2625/560 = 720 + 2625/560 = 3345/560 - 3345/560 simplified gives 669/112
- So, 90/70 + 75/16 = 669/112
In mixed form: 5109/112
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