Add 21/16 and 75/56
1st number: 1 5/16, 2nd number: 1 19/56
21/16 + 75/56 is 297/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Likewise, for the 2nd fraction, since 56 × 2 = 112,
75/56 = 75 × 2/56 × 2 = 150/112 - Add the two like fractions:
147/112 + 150/112 = 147 + 150/112 = 297/112 - So, 21/16 + 75/56 = 297/112
In mixed form: 273/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16+75/56 21/32+75/56 63/16+75/56 21/48+75/56 21/80+75/56