Add 5/70 and 21/16
1st number: 5/70, 2nd number: 1 5/16
5/70 + 21/16 is 155/112.
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,
5/70 = 5 × 8/70 × 8 = 40/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
21/16 = 21 × 35/16 × 35 = 735/560 - Add the two like fractions:
40/560 + 735/560 = 40 + 735/560 = 775/560 - 775/560 simplified gives 155/112
- So, 5/70 + 21/16 = 155/112
In mixed form: 143/112
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