Solutions by everydaycalculation.com

39 + 310 is 1930.

- Find the least common denominator or LCM of the two denominators:

LCM of 9 and 10 is**90**

Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,

39 = 3 × 109 × 10 = 3090 - Likewise, for the 2nd fraction, since 10 × 9 = 90,

310 = 3 × 910 × 9 = 2790 - Add the two like fractions:

3090 + 2790 = 30 + 2790 = 5790 - 57/90 simplified gives 1930
- So, 3/9 + 3/10 = 19/30

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:

Android and iPhone/ iPad

Related: ^{6}/_{9}+^{3}/_{10} ^{3}/_{9}+^{6}/_{10} ^{3}/_{18}+^{3}/_{10} ^{3}/_{9}+^{3}/_{20} ^{3}/_{9}+^{9}/_{10} ^{3}/_{27}+^{3}/_{10} ^{3}/_{9}+^{3}/_{30} ^{15}/_{9}+^{3}/_{10} ^{3}/_{9}+^{15}/_{10} ^{3}/_{45}+^{3}/_{10} ^{3}/_{9}+^{3}/_{50} ^{21}/_{9}+^{3}/_{10} ^{3}/_{9}+^{21}/_{10} ^{3}/_{63}+^{3}/_{10} ^{3}/_{9}+^{3}/_{70}

© everydaycalculation.com