Add 80/70 and 21/32
1st number: 1 10/70, 2nd number: 21/32
80/70 + 21/32 is 403/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
80/70 = 80 × 16/70 × 16 = 1280/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
21/32 = 21 × 35/32 × 35 = 735/1120 - Add the two like fractions:
1280/1120 + 735/1120 = 1280 + 735/1120 = 2015/1120 - 2015/1120 simplified gives 403/224
- So, 80/70 + 21/32 = 403/224
In mixed form: 1179/224
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